– Geoffrey Sher, MD
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Uterine & Endometrial Health
Is an ERA necessary for a natural FET cycle? — Helen D.
Dr. Geoffrey Sher answered
The blastocyst and the endometrium are in a constant state of cross-talk. In order for successful implantation to take place, the blastocyst must be at the appropriate stage of development, and needs to signal a well synchronized endometrium to ‘accept it”. This dialogue between embryo and endometrium involves…
Hormones & Ovulation
Hello! I was wondering what requirements you have for the surrogates that your patients might work with if they choose the gestational surrogacy route. Is there an age limit or BMI limit? Would a surrogate who had diet-controlled gestational diabetes… — Jessi W.
Dr. Geoffrey Sher answered
Of course all the factors you mention and many more are part of the screening process. Also, I advocate that you meet with the surrogate. IVF surrogacy involves the transfer of one or more embryos into the uterus of a surrogate, who provides a host womb and carries…
IVF Failure & Pregnancy Loss
Hi Dr Sher I have been trying to conceive for 3 years now with no success. I've recently had 1 failed ivf cycle where I began bleeding 7 days post embryo transfer. Which I believe is implantation failure. I have… — Isma B.
Dr. Geoffrey Sher answered
often advised to first try ovarian stimulation (ovulation Induction) with intrauterine insemination (IUI) ………as if to say that this would be just as likely to result in a baby as would in vitro fertilization (IVF). Nothing could be further from reality It is time to set the record…
Embryos & Genetic Testing
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
