Serum progesterone (P) levels are critical for endometrial receptivity and implantation in frozen-thawed embryo transfer (FET) cycles. However, the prognostic role of P levels measured on the day of ...
Human chorionic gonadotrophin (hCG) belongs to the glycoprotein group of hormones and is made of two subunits—the alpha (glycoprotein family) and beta (receptor specific) subunits. These are two ...