renee has just completed her experiment for biology lab and cleaned up her lab area. the bell rings for her to go to her next class. what should renee do before she leaves the laboratory?

a.
put all chemical waste bottles in the trash can

b.
wash her hands thoroughly with soap and water

c.
put on her safety goggles and lab coat

d.
tie back her hair if it is longer than shoulder-length

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.

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