Definition of nest for English Language Learners. : the place where a bird lays its eggs and takes care of its young. : a place where an animal or insect lives and usually lays eggs or takes care of its young.
Hormones for Fertility. Gonadotropins are hormones which stimulate the gonads, which are the ovaries or testes. Yes, gonadotropins work on men, as well! Gonadotropins are injectable fertility drugs which contain follicle stimulating hormone, or FSH, luteinizing hormone, or LH, or both.They are given to women to help your body make the hormones needed for egg production.They may also be used for men with low testosterone and FSH to promote sperm formation.onadotropins are injectable fertility drugs which contain follicle stimulating hormone, or FSH, luteinizing hormone, or LH, or both. They are given to women to help your body make the hormones needed for egg production. They may also be used for men with low testosterone and FSH to promote sperm formation.
chorionic gonadotropin. a gonad-stimulating hormone produced by cytotrophoblastic cells of the placenta; used in treatment of underdevelopment of the gonads and to induce ovulation. See also pregnancy tests.gonadotropin release inhibiting factor.horionic gonadotropin, human chorionic gonadotropin (HCG) (hCG) a glycopeptide hormone produced by the fetal placenta syncytiotrophoblasts that maintains the function of the corpus luteum during the first few weeks of pregnancy; the basis for most commonly used pregnancy tests.