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Multiple Choice
Which hormone is primarily responsible for causing the endometrial lining to thicken during the menstrual cycle?
A
Progesterone
B
Cortisol
C
Estrogen
D
Testosterone
Verified step by step guidance
1
Understand the role of the endometrial lining: The endometrial lining of the uterus thickens in preparation for a potential pregnancy, providing a nutrient-rich environment for a fertilized egg to implant.
Identify the phases of the menstrual cycle: The menstrual cycle is divided into several phases, including the follicular phase, ovulation, the luteal phase, and menstruation.
Focus on the follicular phase: During the follicular phase, the endometrial lining begins to thicken. This phase is characterized by the growth and maturation of ovarian follicles.
Recognize the role of estrogen: Estrogen is the hormone primarily responsible for the proliferation and thickening of the endometrial lining during the follicular phase. It is produced by the developing ovarian follicles.
Differentiate from other hormones: While progesterone also plays a role in the menstrual cycle, it is more involved in maintaining the endometrial lining after ovulation, during the luteal phase. Cortisol and testosterone are not directly involved in the thickening of the endometrial lining.