induction of 20alpha-hydroxy steroid dehydrogenase by foetoplacental removal on day 18 of pregnancy was inhibited by human choriogonadotropin , lutropin ( luteinizing hormone ) and pregnant-mare serum gonadotropin , but not by somatotropin ( growth hormone ) , thyrotropin or follitropin ( follicle-stimulating hormone ) 4 .
C0032961
pregnancy
C0733758
follicle-stimulating hormone