This effect apparently is not exerted by an action on gonadotropins. No similar inhibitory effect has been observed in normoprolactinemic women. [47] ...

100 多年来，辅助生殖技术（ART） 一直处在不断进步之中，逐步实现了宫腔内人工授精、体外受精、胚胎植入前遗传学筛查以及单精子细胞内注射 [2] ...

was 6%. Serum concentrations of gonadotropins, but not genetic variation in the gonadotropin or androgen-receptor genes, might relate to an individual's ability to suppress spermatogenesis in ...

(b) Binding of a GnRH agonist to the gonadotroph receptor produces an initial stimulation of FSH and LH, but subsequently suppression of gonadotropins occurs, with the resulting suppression of ...

In addition to symptoms like weight gain, unwanted hair growth, and acne, PCOS can make it difficult to get pregnant. Between ...

Techniques for blood collection from the rat include puncture of the heart, retro-orbital plexus, jugular vein, saphenous vein, tail blood vessels, carotid artery, abdominal aorta, and vena cava.

Nonobstructive azoospermia (NOA) affects 5%–15% of men undergoing infertility evaluation, accounting for nearly 60% of ...

While the quantity of eggs is often discussed, it’s the genetic health and viability of these eggs that play a critical role ...

Gonadotrope cells of the anterior pituitary are essential in controlling reproductive competency of mammals through the release of gonadotropins, lutenizing hormone (LH) and follicle stimulating ...

If those options don’t work, hormone injections called gonadotropins might be recommended to encourage your ovaries. In more challenging cases, in vitro fertilization (IVF) can be an option ...

Training macaques to cooperate during blood collection is a practicable and safe alternative to the traditional procedure implying forced restraint. It takes a cumulative total of about 1 hr to train ...

Medroxyprogesterone acetate 150mg/mL; IM inj. Medroxyprogesterone acetate inhibits the secretion of gonadotropins which primarily prevents follicular maturation and ovulation and causes thickening ...