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Oral Contraceptives
Medications taken by mouth to prevent pregnancy, commonly known as birth control pills.
Estrogen
A group of steroid hormones that play a crucial role in the development and maintenance of female characteristics and reproductive functions.
Uterine Lining
The inner layer of the uterus, also known as the endometrium, which thickens during the menstrual cycle to prepare for possible pregnancy.
Ductus Venosus
A blood vessel that allows most of the blood to bypass the liver in the fetus.
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