👉 The term "gonadotrophin" refers to a hormone produced by the pituitary gland, which is part of the endocrine system in the human body. The primary function of this hormone is to stimulate the growth and development of secondary sexual characteristics in males and ovaries in females. Gonadotrophin primarily acts on the pituitary gland to release hormones that are responsible for stimulating the production of sex hormones, including testosterone (male), estrogen (female) and prolact