Question 126 (part 2) · LEK · Gynecologic endocrinology
Which of the following is false about prolactin:
- A. prolactin secretion is regulated by its restraining factor – dopamine.
- B. its secretion is independent of the diurnal cycle
- C. its concentration increases under stress.
- D. prolactin concentration in pregnant women is around 200-300 ng/ml.
- E. during lactation its concentration remains at the same level as in the third trimester of pregnancy.
Hint
Recall when during the 24-hour day prolactin levels are highest and how this affects the timing of blood sampling.
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