Stabilization of stallion sperm parameters in the post-vaccination period due to a complex of vitaminsdoi:10.1051/bioconf/20213700128V NaumenkovaMikhail AtroshchenkoA V Kalinova
and the level fluctuates with your menstrual period. There is less progesterone aftermenopause. Adrenal glands and testes also make progesterone. In men and people with testes, progesterone helps make sperm and male hormones.