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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.

  • Dear Patients,

    I created this forum to welcome any questions you have on the topic of infertility, IVF, conception, testing, evaluation, or any related topics. I do my best to answer all questions in less than 24 hours. I know your question is important and, in many cases, I will answer within just a few hours. Thank you for taking the time to trust me with your concern.

    – Geoffrey Sher, MD

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Search 1,006 questions patients have already asked, or narrow them by topic.

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  1. Uterine & Endometrial Health

    Breastfeeding-FET

    Dear Dr Sher, Your work has shaped my IVF journey and I want to give great thanks for your generosity in the information you have offered in interviews and YouTube videos. Thanks to you my dream has come true. Mh… — Catherine S.

    Dr. Geoffrey Sher answered

    Yes! I am afraid so because it can increase prolactin which can impact implantation. I would suggest waiting at least 2 cycles after stopping BF before engaging again with FET. By the way, thank you for your kind sentiments. Geoff Sher Herewith are online links to 2 E-books…

  2. Uterine & Endometrial Health

    FETcycle

    My previous FET cycle which was modified natural failed. It did not implant. my lining was only 7.2 mm so could have failed due to that. I was taking progesterone suppositories twice daily and on my day of transfer my… — Camila S.

    Dr. Geoffrey Sher answered

    The endometrial lining thickness is an issue but I do not think to progesterone administration is a factor...WE need to discuss this. I suggest you contact my assistant, Patti Converse (concierge@sherivf.com) and set up an online consultation with me. Geoff Sher FROZEN EMBRYO TRANSFER : ONE PREFERRED APPROACH…

  3. Uterine & Endometrial Health

    liningforFET

    how important is the trilaminar appearance before FET trigger? I am on a modified natural cycle and my RE put me on viagra PV to thicken my lining. at trigger my lining was 12.4mm but homogeneous. The sonographer told me… — Andreea N.

    Dr. Geoffrey Sher answered

    The3 trilaminar appearance is in my opinion not important.. An Ideal thickness is >9mm but >8mm is acceptable. Good luck! Geoff Sher

  4. Embryos & Genetic Testing

    Opinion on french MatriceLab test

    Dear Dr. Sher, Thank you for the detailed article on immunological issues of embryo implantation failures. I'm writing to you as a fertility patient in France. After a certain number of blastocysts transfered with a single implantation and early miscarriage,… — Manon G.

    Dr. Geoffrey Sher answered

    I aplaud any research that serves to uncover the immunologic basis for implantation dysfunction. Endometrial local immunity is likely an important parameter that influences implantation and the the prognosis of pregnancy.. Diagnosis of an endometrial immune dysregulation . It seeks to assess embryo-endometrial interaction and focuses on several…

  5. Embryos & Genetic Testing

    Recurrent implantation failures

    Dear Dr. Sher, Myself and husband are both 38 yrs old started our fertility journey at the age of 32 yrs so trying to conceive for 6 yrs now. We started with ovulation induction, had an ectopic treated with methotrexate.… — Remy A.

    Dr. Geoffrey Sher answered

    Implantation dysfunction is often overlooked as a significant reason for IVF failure. This is especially true when IVF failure is unexplained, or when there are recurring pregnancy losses or underlying issues with the uterus, such as endo-uterine surface lesions, thin uterine lining (endometrium), or immunological factors. IVF success…

  6. Embryos & Genetic Testing

    FET canceled due to a yeast infection (vaginal candidiasis)

    My fresh embryo transfer was canceled two days before the procedure due to a yeast infection (vaginal candidiasis), and I’m wondering why this infection may have occurred. I haven’t had sexual intercourse or done anything specific that I believe could… — Hannah A.

    Dr. Geoffrey Sher answered

    In my opinion there is no reason to cancel FET because of a yeast infection. Geoff Sher

  7. IVF Failure & Pregnancy Loss

    Hysteroscopy result

    Hi, I have had 3 natural miscarriages, but 3 failed implantations with PGT embryos. I got a hysteroscopy, and they found dyssynchronous proliferative endometrium and polypoid dyssynchronous proliferative endometrium consistent with endometrial polyp. Can this have any impact in my… — Laura C.

    Dr. Geoffrey Sher answered

    UNDERSTANDING RECURRENT PREGNANCY LOSS ( RPL): CAUSES AND SOLUTIONS. When it comes to reproduction, humans face challenges compared to other mammals. A significant number of fertilized eggs in humans do not result in live births, with up to 75% failing to develop, and around 30% of pregnancies ending…

  8. Uterine & Endometrial Health

    Uterine Microbiome

    Hi Dr Sher Uterine testing (via menstrual blood collection) has continuously shown very high presence of Gardnerella Vaginalis. Despite antibiotic treatment, it continues to reappear as Lactobacillus levels have only been ‘not detectable’ or ‘very low’. Use of oral lactobacillus… — Samantha L.

    Dr. Geoffrey Sher answered

    Very respectfully, I do not believe that this is the likely cause of your problem. Might I suggest that you contact my assistant and set up an online consultation with me to discuss...see below! PLEASE SHARE THIS WITH OTHERS AND HELP SPREAD THE WORD!! Herewith are online links…

  9. Immunology & Implantation

    Pregnancy Loss, IVF & Immunologic Testing

    Hi Dr. Sher, I live in Toronto and have had 2 chemicals and one miscarriage within the span of 5 months. I used Letrozole to ovulate with the first 2 pregnancies, but I ovulated naturally with the third pregnancy. For… — Catherine B.

    Dr. Geoffrey Sher answered

    Based upon your representation, this sounds very suggestive of an embryo implantation dysfunction.However, to provide an authoritative opinion we should talk. If I turn out to be correct and you are not treated appropriately to counter the implantation dysfunction, you will very likely experience the same over and…

  10. Early Pregnancy & hCG

    Abnormal placentation and immune pr

    Hi Dr. Sher, I've gone through 2 egg retrievals and 5 fets, gotten pregnant twice and had 2 miscarriages in the last year and a half. The miscarriage last year at 6 weeks happened at home and I had a… — Bethany D.

    Dr. Geoffrey Sher answered

    It is very likely that your issues center around implantation dysfunction. I need more information to provide an authoritative opinion. I suggest you contact my assistant, Patti Converse at 702-533-2691 and set up an online consultation with me to discuss your case in detail. In the interim, please…

  11. Clinic & Practice

    Past Procedures

    Hello, I was a patient in 2011. Unfortunately, I lost the baby. I have been having many issues regarding my reproductive organs and I am trying to tie it back to my military service. In 1996, a few weeks after… — Marie H.

    Dr. Geoffrey Sher answered

    Please call our clinic (SFS) in New York at 646-388-7476 and ask for Jessica Ortiz. She should be able to help. If this is unsuccessful, call my assistant Patti Converse at 702-533-2691 and she will assist you. Geoff Sher

  12. Uterine & Endometrial Health

    Viagra

    Can viagra help thicken uterus lining for FET preparation? Does it impact WOI ? — Catherine H.

    Dr. Geoffrey Sher answered

    Back in 1989, I conducted a study that examined how the thickness of a woman's uterine lining, known as the endometrium, affected the successful implantation of embryos in IVF patients. The study revealed that when the uterine lining measured less than 8mm in thickness by the day of…

  13. Egg Health & Ovarian Reserve

    Ivf low responder

    Aldingen some additional information I forgot in my initial question: - no problems with uterine thickness and according to my doctor no signs of any scarves as due to thickness of approx 9-10 mm few days before ovulation - during… — Sandra W.

    Dr. Geoffrey Sher answered

    In my opinion, we should talk. I cannot provide authoritative advice on this information alone. I suggest you call my assistant, Patti Converse (702-533-2691) and set up an online consultation with me to discuss in detail. Geoff Sher ADDRESSING DIMINISHING OVARIAN RESERVE (DOR) IN IVF Understanding the impact…

  14. Embryos & Genetic Testing

    Baby

    Good day I am looking for info. I am a 36 year old single female from NY. I would love to adopt a boy embrio, black hair and blue eyes, white. I am not able to have kids of my… — Jorja P.

    Dr. Geoffrey Sher answered

    I suggest you call Patti Converse (my assistant) and set up an online consultation with me to review your case and make suggestions. Geoff Sher Herewith are online links to 2 E-books recently co-authored with my partner at SFS-NY (Drew Tortoriello MD)....... for your reading pleasure: From In…

  15. Uterine & Endometrial Health

    Itsmocele

    Buenas noches, me han descubierto un itsmocele no muy grande... (creo). Lo malo es q esta a menos de 2mm de la pared vaginal y utero (no estoy muy segura si es asi). La cuestión es que no quieren operarme… — María D.

    Dr. Geoffrey Sher answered

    Please re-post in English and I will gladly respond! Geoff Sher

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