The second half of the menstrual cycle is regulated largely by

This phase is called as ovulatory phase, and it is mainly regulated by the luteinizing hormone (LH), and follicle-stimulating hormone (FSH). During this phase, the egg is released, and it travels to the uterus. Then, the progesterone levels increase. 

Molecules called lipids have long hydrocarbon chains that determine the way they act. they can be fats, oils, or hormones, and even exist in our cell membranes 

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