The importance of estradiol and chorionic gonadotropin measurement in ivf protocols in women of older reproductive age at risk of ovarian hyperstimulation syndrome

Despite the decreased ovarian reserve, women of older reproductive age are at risk of hyperactive response during IVF protocol, which manifests as ovarian hyperstimulation syndrome (OHS). In this case, the level of chorionic gonadotropin is crucial, because it is almost 2 times higher that in the begining of natural pregnancy.

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