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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 1,017 questions patients have already asked, or narrow them by topic.

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  1. Embryos & Genetic Testing

    mosaic embryo

    Good afternoon dear doctor! I am 42 years old, after 8 hormonal stimulations, I have a single mosaic embryo. Blastocyst 7 days. I need to decide an important question whether to transfer it or not. Embryo seq(3)x1~2,(6)x1~2. Mosaic monosomy of… — Olga M.

    Dr. Geoffrey Sher answered

    I would not advise using this embryo! Human embryo development occurs through a process that encompasses reprogramming, sequential cleavage divisions and mitotic chromosome segregation and embryonic genome activation. Chromosomal abnormalities may arise during germ cell and/or preimplantation embryo development and represents a major cause of early pregnancy loss.…

  2. Embryos & Genetic Testing

    Embryo donation

    We have an extra embryo to donate to another couple or science. What are our options? — Patrick R.

    Dr. Geoffrey Sher answered

    Please call 646-792--7476 and ask for Bushra Sudal RN. She will be glad to assist you.

  3. Egg Health & Ovarian Reserve

    No normal embroys

    Hi Dr. Sher, I am asking this question after first egg retrieval. I am 40 years old, first time doing this IVF. I saw about 23 follicles during ultrasound and was on 21 days lupron protocol ended with 20 eggs,… — Esther L.

    Dr. Geoffrey Sher answered

    The importance of the IVF stimulation protocol on egg/embryo quality cannot be overstated. This factor seems often to be overlooked or discounted by t IVF practitioners who use a “one-size-fits-all” approach to ovarian stimulation. My experience is that the use of individualized/customized COS protocols can greatly improve IVF…

  4. Embryos & Genetic Testing

    Gender selection

    Im looking to have a girl for my third pregnancy after having 2 boys. I have had no fertility issue and for both my kids I got pregnant in my first try. Do you have any gender selection service? Like… — Maryam F.

    Dr. Geoffrey Sher answered

    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…

  5. Embryos & Genetic Testing

    Do you recommend Sildenafil 4x 25mg/day during the follicular phase

    Dear Dr. Sher, Do you recommend Sildenafil 4x 25mg/day during the follicular phase or only when the embryo transfer is scheduled? Do you recommend Sildenafil although there are no previous evidences of lack of thickening of the endometrial walls? Thank… — Ola

    Dr. Geoffrey Sher answered

    Yes…only in the follicular phase but not in the absence of an endometrial thickness issue! Geoff Sher

  6. Embryos & Genetic Testing

    I need your advice. I have had two failed embryo transfers

    I need your advice. I have had two failed embryo transfers. I had my embryos PGT tested and they were normal and very high-quality embryos. I am 37 years old with no underlining health conditions. But maternal history of endometriosis.… — Vanessa A.

    Dr. Geoffrey Sher answered

    antibodies (APA) that can compromise development of the embryo’s root system (trophoblast). In addition and far more serious, is the fact that in about one third of cases endometriosis, regardless of its severity is associated with NKa and cytotoxic uterine lymphocytes (CTL) which can seriously jeopardize implantation. This…

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