gonadal hormone

例句：

1. 1. Gonadotropin is a protein that stimulates the growth of sperm and eggs.
   促性腺激素是一种蛋白质，可以刺激精子和卵子的生长。
2. 2.In men, testosterone is a primary gonadotropin that regulates sexual development.
   在男性中，睾酮是主要的促性腺激素，调节性发育。
3. 3. The production of gonadotropins is influenced by various factors, including genetics and environmental conditions.
   促性腺激素的产量受到各种因素的影响，包括遗传和环境条件。