Luteinizing hormone, which is produced by the pituitary gland, promotes ovulation and stimulate the ovaries to produce:
Correct answer: C. Progesterone
- A. Estrogen
- B. Estrogen and progesterone
- C. Progesterone
- D. Oxytocin
- E. Prolactin
Explanation
Luteinizing hormone (LH) is a hormone produced by the pituitary gland that triggers ovulation in females. After ovulation, the cells left behind in the ovary form the corpus luteum, which produces progesterone. Progesterone is a hormone that prepares the uterus for the implantation of a fertilized egg and helps maintain pregnancy.
This question appeared on the NUMS 2019 (cancelled sitting) paper, which you can sit online with every answer explained.
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About Menstrual Cycle
The menstrual cycle covers the coordinated changes in the ovaries and uterus, including menstruation, follicular growth, ovulation and corpus luteum formation. It links follicle-stimulating hormone, luteinizing hormone, oestrogen and progesterone with endometrial changes, and distinguishes the ovarian cycle from the uterine cycle and the hormonal events of pregnancy.
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Based on the peak levels of hormone X, on what day of the cycle is ovulation most likely to occur?