Given below are two statements:
Statement-I: In females, prolactin initiates uterine contractions.
Statement-II: Mammary glands in females are paired structures (breasts) that contain a fixed amount of glandular tissues and fat.
In the light of the above statements, choose the most appropriate answer from the options given below:
Text Solution
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• In females, oxytocin initiates uterine contractions, not prolactin.
• Fetal cortisol levels rise as the fetus matures, acting as a signal for birth. This rise triggers the placenta to produce more estrogen and thus initiates the chain of events leading to labor.
• Mammary glands in females are paired structures that contain a variable amount of glandular tissues and fat. The variable amount of fat in the mammary glands of females determines the breast size.
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