Ask Our Doctors – Archive

Our Medical Directors are outstanding physicians that you will find to be very personable and compassionate, who take care to ensure that you have the most cutting-edge fertility treatments at your disposal. This is your outlet to ask your questions to the doctors.

19,771 Comments

  1. I want a gender selection , what is best fresh embroye transfer or FET?

    • The genetic testing on embryos PGS will require FET, but that is fine because today, results are at least as good as fresh.

      Couples have for centuries sought to influence the gender of their offspring. More than seven centuries ago the ancient Chinese developed a birth calendar said to be able to predict gender on the basis of when conception occurred. Later, the ancient Greeks suggested that by lying on her right side during intercourse, a woman could improve the likelihood of having a male child. And 300 years ago, the French suggested that placing a ligature around the right testicle would improve the chance of having a male child.
      More recently in the U.S., methods such as timing intercourse, assuming different positions during sex, and (relatively recently) employing rapid sperm centrifugation in an attempt to separate male chromosome-bearing sperm from female sperm prior to artificial insemination were proposed. The fact is that none of these (as well as many other) such anecdotal assertions have been shown to have any real validity.
      Currently, in spite of several well described medical approaches, the indisputable fact has emerged that it is only by way of IVF that reliable sex selection can be achieved. This allows for embryos to be screened for gender through preimplantation genetic diagnosis prior to transferring the embryo(s) of the desired gender to the uterus.
      Nevertheless, it is an inescapable reality that the very idea of medical sex selection challenges moral and ethical beliefs at their very foundation. Many hold that the growing popularity of gender selection solely for the convenience of altering a family’s gender balance represents an unwanted example of how assisted reproductive technology is subject to abuse…and thus it should be outlawed. They also see it as an example of a disturbing trend towards “designer babies” where genetic engineering could be used to manipulate the intellect, body configuration, build, height, and the talents of future offspring. This assertion is commonly followed by the tantalizing question as to where all this would end and whether we as a society “would really want to live in such a world.”

      There is, however, one clear exception to the apparent across-the-board opposition to sex selection that is well worthy of mention. This applies in cases where sex selection is used to avoid the occurrence of a serious medical disorder that selectively affects one gender or the other (e.g., Hemophilia, a life threatening bleeding disorder that selectively affects male offspring).

      EVALUATING CURRENTLY USED METHODS FOR SEX SELECTION

      SPERM GRADIENT METODOLOGY (discredited because of a lack of reliability)

      This is one of the simplest methods that still (unfortunately) remains in widespread use. Here sperm is rapidly spun down (centrifuged) in the hope of separating the male sperm (those with Y-chromosomes) from the female sperm (those with X-chromosomes). It relies on the assumption that the X chromosome makes sperm heavier, allowing for separation of male from female chromosome-bearing sperm. Though this method is often touted as a low cost method for sex selection, the truth is that it simply does not work!

      LOW CYTOMETRIC TESTING BY THE MICROSORT METHOD (discredited because of a lack of reliability)
      This method which is now somewhat discredited by the FDA employedthe use of a fluorescent dye that adheres to genetic material within the sperm. It was based on the premise that because X-bearing sperm contain more genetic material, these sperm were supposed to pick up more dye than Y-bearing sperm. Thereupon, X and Y bearing sperm are then separated into two groups and used for intrauterine insemination (IUI) or IVF. This method was touted as yielding a 60% to 70% accuracy rate with IUI. This has not been adequately confirmed and in my personal experience its reliability in the IVF setting has been questionable to say the least. The Microsort technique is to my knowledge not presently being offered in the United States.
      IVF using PREIMPLANTATION GENETIC DIAGNOSIS (PGD)
      Preimplantation Genetic Diagnosis (PGD) involves the removal of one or more cells from an embryo, for chromosomal or genetic analysis. The most widely used and he most reliable PGD method for gender selection is fluorescence in-situ-hybridization (FISH). However, this technique does not identify all 23 pairs of chromosomes in the embryo’s cells. At best it can well identify 12. Thus, while FISH provides an excellent method for gender selection and for identification of structural chromosomal aberrations, it is not a reliable method for diagnosing embryo aneuploidy (“competency”). Conversely, another PGD method, next generation gene sequencing (NGS) which does assess all the embryo’s chromosomes can be used for both detecting all the embryo’s chromosomes and thus can determine embryo “competency” reliably. It also reliably identifies gender. However, while NGS is very bit as reliable as FISH for gender selection, FISH can be done in fresh cycles (i.e. the ET is done in the same cycle as that in which the ER is done), while NGS requires time for testing that requires Staggered IVF (St-IVF) in which the embryos are biopsied on day 3 or day 5-6 (post-fertilization) and the blastocysts are ultrarapidly frozen (vitrified) and allowed to proceed in culture to blastocysts whereupon they are ultra-rapidly frozen (vitrified) and are then held for transfer in a subsequent cycle.
      Upon completion of FISH, which takes about 24-36 hours, the couple can select which embryo(s) they will transfer to the uterus. If pregnancy results, there is almost a 100% chance it will result in the desired gender. If NGS is used, the degree of accuracy in diagnosing gender, is as reliable as is FISH but in addition, NGS provides information on the entire karyotype (all 23 pairs of chromosomes) which is extremely beneficial because it assesses embryo “competency, while FISH does not.

      A PERSONAL OPINION:
      Sex selection done purely for family balancing is somewhat controversial, raising concern that if widely accessible and freely available, such practice could distort the natural sex ratio, leading to a population gender imbalance. However, for this to happen, there would have to be a significant population preference for sex selection. In reality, the contrary seems to apply, since studies conducted in western societies discount these concerns. In fact, the relatively high cost of IVF with the added cost of gender selection in the United States makes it unlikely that the demand would ever become large enough to impact overall population gender balance. In addition, several studies done in Western countries have shown that the majority of people do not seem to be concerned about the gender of their offspring, and that with a few notable exceptions, gender preference does not appear to be slanted in the direction of either male or female. Thus, from a practical standpoint, such concerns are overstated.
      Given that in the United States most couples do not care about the gender of their offspring, and only a minority are interested in selecting the sex of their children there is currently no risk that IVF sex-selection will impact the population gender balance. Thus, in my opinion by and large, freedom of choice should prevail and a service for sex selection should be freely available
      So, in my personal practice, I absolutely do offer gender selection in the following circumstances.
      •Medical Indications for Gender Selection:
      oFor cases associated with
      ?sex-linked genetic disorders or,
      ?serious genetic disorders that are more likely to occur in one gender or the other.
      •Non-Medical Family balancing
      o For couples who have at least one child of the opposite gender to that which they choose for their IVF embryo transfer and,
      oFor those women who do not have any children at all but prefer to have a child of one or the other gender.

      Please call or email Julie Dahan, my patient concierge. She will guide you on how to set up an in-person or Skype consultation with me. You can reach Julie at on her cell phone or via email at any time:
      Julie Dahan
      •Email: Julied@sherivf.com
      •Phone: 702-533-2691
      ?800-780-7437

      Geoff Sher

      I also suggest that you access the 4th edition of my book ,”In Vitro Fertilization, the ART of Making Babies”. It is available as a down-load through http://www.Amazon.com or from most bookstores and public libraries.

  2. How much skill is involved in a retrieval? the attending RE at my clinic who will be doing my retrieval (they rotate) is very young, MD 2007, residency 2011, fellowship 2014. I want to make sure the surgeon is really excellent, but I am not sure how much skill is needed for a retrieval if she’s been out of her fellowship for 3 years now?

    • It is the easiest part of the IVF and Iam sure that with an RE fellowship in the bag, he/she will do fine.

      Good luck!

      Geoff Sher

  3. Dr. Sher, what would you recommend for IVF #2? We decided to bank the embryos since they don’t seem promising and try another fresh cycle. The RE also started me on DHEA and CoQ10 and thinks I have endometriosis because of the adhesions.

    Thank you for your time.

    Background:
    33 yo female with subclinical hypothyroidism on Synthroid 25 mcg
    no h/o surgeries
    regular cycles 25-28 days, 1-2 days light bleeding
    Etoh 1-2/week, never smoker or illicit drugs
    AMH 1.23 (11/2015), 0.66 (12/2016)
    FSH 7.6 (1/2016), 8.5 (1/2017)
    TSH 1.7 (11/2016)
    HSG (11/2015) and hydrosonogram (2/2017) normal

    Partner 33 yo male with no PMH
    s/p b/l varicocelectomy 7/2015 d/t low % normal morphology (5.6 to 15% now)
    Etoh 3-4/week, never smoker or illicit drugs

    Trying to conceive x 2 years
    2 failed IUI with clomid 100 mg (prior to varicocelectomy)
    IVF/ICSI: AFC 6, microdose Lupron with follistim 300 and menopur 150, stim
    7 days and trigger with Novarel (dose?) when 5 follicles 18-20 mm,
    aspirated 3 mature eggs, 2 fertilized, by day 4 one had 10 cells, one had 5
    cells, froze all d/t prematurely high progesterone. RE noted the left ovary
    adhered to the uterus during aspiration procedure.

    • 1. You have diminished ovarian reserve . This makes protocol selection for IVF very important in my opinion (see below).

      2. You also could have an immunologic implantation dysfunction (IID) linked to your thyroid condition. Most hypothyroidism in women is Autoimmune in nature (Hashimoto’s disease) .Between 2% and 5% of women of the childbearing age have reduced thyroid hormone activity (hypothyroidism). Women with hypothyroidism often manifest with reproductive failure i.e. infertility, unexplained (often repeated) IVF failure, or recurrent pregnancy loss (RPL). The condition is 5-10 times more common in women than in men. In most cases hypothyroidism is caused by damage to the thyroid gland resulting from of thyroid autoimmunity (Hashimoto’s disease) caused by damage done to the thyroid gland by antithyroglobulin and antimicrosomal auto-antibodies.
      The increased prevalence of hypothyroidism and thyroid autoimmunity (TAI) in women is likely the result of a combination of genetic factors, estrogen-related effects and chromosome X abnormalities. This having been said, there is significantly increased incidence of thyroid antibodies in non-pregnant women with a history of infertility and recurrent pregnancy loss and thyroid antibodies can be present asymptomatically in women without them manifesting with overt clinical or endocrinologic evidence of thyroid disease. In addition, these antibodies may persist in women who have suffered from hyper- or hypothyroidism even after normalization of their thyroid function by appropriate pharmacological treatment. The manifestations of reproductive dysfunction thus seem to be linked more to the presence of thyroid autoimmunity (TAI) than to clinical existence of hypothyroidism and treatment of the latter does not routinely result in a subsequent improvement in reproductive performance.
      It follows, that if antithyroid autoantibodies are associated with reproductive dysfunction they may serve as useful markers for predicting poor outcome in patients undergoing assisted reproductive technologies.
      Some years back, I reported on the fact that 47% of women who harbor thyroid autoantibodies, regardless of the absence or presence of clinical hypothyroidism, have activated uterine natural killer cells (NKa) cells and cytotoxic lymphocytes (CTL) and that such women often present with reproductive dysfunction. We demonstrated that appropriate immunotherapy with IVIG or intralipid (IL) and steroids, subsequently often results in a significant improvement in reproductive performance in such cases.
      The fact that almost 50% of women who harbor antithyroid antibodies do not have activated CTL/NK cells suggests that it is NOT the antithyroid antibodies themselves that cause reproductive dysfunction. The activation of CTL and NK cells that occurs in half of the cases with TAI is probably an epiphenomenon with the associated reproductive dysfunction being due to CTL/NK cell activation that damages the early “root system” (trophoblast) of the implanting embryo. We have shown that treatment of those women who have thyroid antibodies + NKa/CTL using IL/steroids, improves subsequent reproductive performance while women with thyroid antibodies who do not harbor NKa/CTL do not require or benefit from such treatment.

      I strongly recommend that you visit http://www.DrGeoffreySherIVF.com. Then go to my Blog and access the “search bar”. Type in the titles of any/all of the articles listed below, one by one. “Click” and you will immediately be taken to those you select. Please also take the time to post any questions or comments with the full expectation that I will (as always) respond promptly.
      •The IVF Journey: The importance of “Planning the Trip” Before Taking the Ride”
      •Controlled Ovarian Stimulation (COS) for IVF: Selecting the ideal protocol
      •IVF: Factors Affecting Egg/Embryo “competency” during Controlled Ovarian Stimulation(COS)
      •The Fundamental Requirements For Achieving Optimal IVF Success
      •Ovarian Stimulation for IVF using GnRH Antagonists: Comparing the Agonist/Antagonist Conversion Protocol.(A/ACP) With the “Conventional” Antagonist Approach
      •Ovarian Stimulation in Women Who have Diminished Ovarian Reserve (DOR): Introducing the Agonist/Antagonist Conversion protocol
      •Anti Mullerian Hormone (AMH) Measurement to Assess Ovarian Reserve and Design the Optimal Protocol for Controlled Ovarian Stimulation (COS) in IVF.
      •Human Growth Hormone Administration in IVF: Does it Enhances Egg/Embryo Quality and Outcome?
      •The BCP: Does Launching a Cycle of Controlled Ovarian Stimulation (COS). Coming off the BCP Compromise Response?
      •Blastocyst Embryo Transfers Should be the Standard of Care in IVF
      •IVF: How Many Attempts should be considered before Stopping?
      •“Unexplained” Infertility: Often a matter of the Diagnosis Being Overlooked!
      •IVF Failure and Implantation Dysfunction:
      •The Role of Immunologic Implantation Dysfunction (IID) & Infertility (IID):PART 1-Background
      •Immunologic Implantation Dysfunction (IID) & Infertility (IID):PART 2- Making a Diagnosis
      •Immunologic Dysfunction (IID) & Infertility (IID):PART 3-Treatment
      •Immunologic Implantation Dysfunction: Importance of Meticulous Evaluation and Strategic Management:(Case Report
      •Intralipid and IVIG therapy: Understanding the Basis for its use in the Treatment of Immunologic Implantation Dysfunction (IID)
      •Intralipid (IL) Administration in IVF: It’s Composition; How it Works; Administration; Side-effects; Reactions and Precautions
      •Natural Killer Cell Activation (NKa) and Immunologic Implantation Dysfunction in IVF: The Controversy!
      •Endometrial Thickness, Uterine Pathology and Immunologic Factors
      •Vaginally Administered Viagra is Often a Highly Effective Treatment to Help Thicken a Thin Uterine Lining
      •Treating Out-of-State and Out-of-Country Patients at Sher-IVF in Las Vegas:
      •A personalized, stepwise approach to IVF
      •How Many Embryos should be transferred: A Critical Decision in IVF.
      •The Role of Nutritional Supplements in Preparing for IVF

      Please call or email Julie Dahan, my patient concierge. She will guide you on how to set up an in-person or Skype consultation with me. You can reach Julie at on her cell phone or via email at any time:
      Julie Dahan
      •Email: Julied@sherivf.com
      •Phone: 702-533-2691
      ?800-780-7437

      Geoff Sher

      I also suggest that you access the 4th edition of my book ,”In Vitro Fertilization, the ART of Making Babies”. It is available as a down-load through http://www.Amazon.com or from most bookstores and public libraries.

  4. Dear Dr,

    My clinic is moving to a new location. I have frozen embryos with them. Will the move damage my embryos or do they have safe protocol for moving? Thanks

    • Most programs can effect this very safely.

      Geoff Sher

  5. Hi Dr. Sher, I’m 37 with no children and have just gone through my 2nd complete molar pregnancy. This was the first time we ttc since my 1st cmp 5 1/2 years ago (after being on bcp for 16yrs) which required methotrexate treatments for my hcg to go down, this current cmp my hcg returned to normal after the d&c. My Dr told me to wait 6 months before ttc again but highly suggests IVF with PGD testing. My insurance doesn’t cover the treatment or procedure of IVF but some of the testing. Knowing that this can become quite costly I am wondering if there are any genetic tests that I should have done before trying IVF?
    I understand that the PGD that my Dr is suggesting tests the embryos after they have been fertilized to see how they develop since my cmp are caused by the loss of maternal dna during early on. Are you aware of anyone that has gone through IVF after having multiple cmp to have a successful pregnancy? Any information you can gave in regards to my situation would be helpful. I’m just starting my 6 month wait before ttc and trying to do all my research while still grasping onto the slightest bit of hope to still be able to have children and would appreciate any advice or information you have.
    Thank you for your time.

    • Indeed I do have several patients who over the years have had healthy IVF babies following a prior molar pregnancy.

      Molar pregnancy or hydatidiform mole — is a benign tumor that occurs in the uterus. It starts when an egg is fertilized, but instead developing into a normal, conceptus + placental tissue, the placenta tissue develops into a mass of small cysts. Here, the root system (trophoblast) of the embryo which under normal conditions develops into the placenta that connects the baby to the mother. With molar pregnancy, the roots of the trophoblast (chorionic villi) undergo cystic degeneration and when the woman bleeds, these cystic structures are passed in dark blood, giving rise to the common description of “white currants floating in red currant jelly”.
      The condition usually presents with one or more of the following:
      •Vaginal bleeding in the first trimester
      •Very high beta hCG levels early on in pregnancy
      •Exaggerated pregnancy symptoms and pernicious intractable vomiting (hyperemesis gravidarum)
      •Rapid (often painful) enlargement of the early pregnant uterus
      •Ultrasound evidence of a typical “snow storm pattern)
      A molar pregnancy can have serious complications. It can become invasive (an invasive mole or chorioadenoma destruens) and permeate the uterine wall or it can (albeit rarely) develop into a rare form of cancer known as choriocarcinoma.
      Molar pregnancies are rare (about 1:2000 pregnancies) and having occurred.it infrequently (<1:1000) recurs in the same woman. It is at least twice as common among Asian women. On rare occasions (1%) a twin pregnancy will comprise of a normal baby and a mole. In about 20%-40% of cases the healthy baby will survive to delivery.
      There are two types of molar pregnancies: a) the complete molar pregnancy: Here there's no embryo or normal placental tissue is present. b) . A partial molar pregnancy, there is a developing embryo present but it is abnormal and non-viable, but there can be some “normal” placental tissue present as well.
      “Complete Hydatidiform Molar Pregnancies” occur when an egg that has no chromosomal material (anuclear) is fertilized by a sperm and thereupon divides in two and propagates haphazard tissue growth. Like normal pregnancies, the complete mole has 46 chromosomes (two sets of 23), i.e., it is diploid. However, unlike with normal fertilization, where one set of chromosomes comes from the mother and the other set from the father, both sets of chromosomes come from the father in the case of a complete molar pregnancy. This results from duplication of a sperm’s chromosomes after it has fertilized an “inactive” egg. Since an embryo that has a YY karyotype is not viable, the chromosome gender of the complete molar pregnancy is invariably XX (female). Accordingly, with IVF, if one selectively only transfers only male (XY) embryos, the possibility of a complete molar pregnancy can be virtually eliminated.
      A “Partial Molar Pregnancy” on the other hand, most often results from an egg being fertilized by 2 separate sperm, such that instead of the resulting embryo comprising 46 chromosomes (23 from the egg + 23 from the sperm), it instead has 69 chromosomes (23 from the egg + 46 from 2 separate sperm). However, it can also happen where one sperm fertilizes an egg, but one group of 23 chromosomes duplicates …again resulting in 3 groups of 23 chromosomes (triploidy)…..for a total of 69 chromosomes. Thus with partial moles, the sex chromosome configuration will be XXY or XYY. Partial moles can thus be avoided through selectively fertilizing an egg by intracytoplasmic sperm injection (ICSI), where a single sperm is injected, and thereupon performing PGD on the embryo(s) to exclude triploidy.
      Persistent trophoblastic disease refers to the situation where following treatment to remove a molar pregnancy some molar tissue is retained and starts to grow again. It occurs in 8-10% of molar pregnancies. In such cases the woman will usually need to undergo chemotherapy
      Treatment involves complete emptying of the uterus as soon as the diagnosis is made – even in cases where a spontaneous passage of the molar tissue appears to be complete. The reason is to avoid the development of an invasive mole (where the uterine wall is permeated by remaining tissue), and to limit the development of choriocarcinoma a very malignant tumor that invades the uterus and can spread rapidly via the blood system to bone, lungs, brain and other sites. Fortunately this cancer does respond well to hysterectomy, removal of ovaries plus aggressive chemotherapy.
      In the vast majority of properly managed cases however, outcome after treatment is usually excellent. In cases where the beta hCG level fails to drop appropriately following evacuation of the uterus, chemotherapy will usually be curative. Close follow-up with serial quantitative blood hCG testing, ultrasound and/or Magnetic Resonance Imaging (MRI) is essential. After successful treatment, the woman must use very effective contraception for at least 6 to 12 months, so as to avoid pregnancy in order to allow for proper follow-up.

      I strongly recommend that you visit http://www.DrGeoffreySherIVF.com. Then go to my Blog and access the “search bar”. Type in the titles of any/all of the articles listed below, one by one. “Click” and you will immediately be taken to those you select. Please also take the time to post any questions or comments with the full expectation that I will (as always) respond promptly.
      •The IVF Journey: The importance of “Planning the Trip” Before Taking the Ride”
      •Controlled Ovarian Stimulation (COS) for IVF: Selecting the ideal protocol
      •IVF: Factors Affecting Egg/Embryo “competency” during Controlled Ovarian Stimulation(COS)
      •The Fundamental Requirements For Achieving Optimal IVF Success
      •Use of GnRH Antagonists (Ganirelix/Cetrotide/Orgalutron) in IVF-Ovarian Stimulation Protocols.
      •Anti Mullerian Hormone (AMH) Measurement to Assess Ovarian Reserve and Design the Optimal Protocol for Controlled Ovarian Stimulation (COS) in IVF.
      •Preimplantation Genetic Testing (PGS) in IVF: It should be Used Selectively and NOT be Routine.
      •IVF: Selecting the Best Quality Embryos to Transfer
      •Preimplantation Genetic Sampling (PGS) Using: Next Generation Gene Sequencing (NGS): Method of Choice.
      •PGS in IVF: Are Some Chromosomally abnormal Embryos Capable of Resulting in Normal Babies and Being Wrongly Discarded?
      •PGS and Assessment of Egg/Embryo “competency”: How Method, Timing and Methodology Could Affect Reliability

      Please call or email Julie Dahan, my patient concierge. She will guide you on how to set up an in-person or Skype consultation with me. You can reach Julie at on her cell phone or via email at any time:
      Julie Dahan
      •Email: Julied@sherivf.com
      •Phone: 702-533-2691
      ?800-780-7437

      Geoff Sher

      I also suggest that you access the 4th edition of my book ,”In Vitro Fertilization, the ART of Making Babies”. It is available as a down-load through http://www.Amazon.com or from most bookstores and public libraries.