Eggs are saved while in the ovaries and therefore are only released with the appropriate hormonal stimulation. So, the physician collects a blood sample and checks it for 3 vital hormones: follicle-stimulating hormone (FSH), which triggers the growth of ovarian follicles just before ovulation; estradiol, which is designed mostly from https://web-directory4.com/listings13003293/top-guidelines-of-egg-freezing