What stars can we find using the constellation Orion as a guide

Orion the Hunter is represented by two bright stars: Betelgeuse and Bellatrix, marking his shoulders, and two more bright stars, Saiph and Rigel, marking his knees

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.