serum levels of fsh , lh , chorionic gonadotropin ( cg ) , prolactin , estrone ( e1 ) , estradiol-17beta ( e2 ) , estriol ( e3 ) and progesterone were measured at 2-3-day intervals in 4 chimpanzees through 2-3 menstrual cycles , and serially through subsequent pregnancies .
C0014942
estrone
C0032961
pregnancies