Eggs are stored from the ovaries and are only unveiled with the right hormonal stimulation. So, the medical doctor collects a blood sample and assessments it for 3 vital hormones: follicle-stimulating hormone (FSH), which triggers The expansion of ovarian follicles before ovulation; estradiol, that's designed primarily by the ovaries and https://zeedirectory.com/listings13016275/about-egg-freezing