to test the possibility that elevated plasma progesterone is responsible for the blood pressure reduction in late pregnancy , on day 14 of pregnancy a group of new zealand genetically hypertensive ( nzgh ) rats was ovariectomized and implanted with progesterone-filled capsules , to maintain plasma progesterone at low levels just sufficient to maintain pregnancy , and compared with intact , pregnant nzgh .
C0033308
progesterone
C0032961
pregnancy