What do you think is the most dangerous time period for a patient with
CF? Justify your answer.

answer: dinosaur

explanation

their extinction was caused by massive asteroid that fell on earth

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.

what are the options? add them, then i will be glad to .