What is the difference between saturated &unsaturated fats

The difference between saturated and unsaturated fat lies in the number of double bonds in the fatty acid chain. Saturated fats are usually from animal sources, while unsaturated fats are usually from plant sources.

Explanation:

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- cherry

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.