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Question
In menstrual cycle one ovum is released from either ovaries and the remaining graffian follicle converts into corpus luteum which will secret progesterone for only 7 days but if pregnancy occurs then it secret progesterone for 3 months , in this scenario how the corpus luteum will secret RELAXIN at the parturition at 9 month if it is already died and replaced by placenta?
In menstrual cycle one ovum is released from either ovaries and the remaining graffian follicle converts into corpus luteum which will secret progesterone for only 7 days but if pregnancy occurs then it secret progesterone for 3 months , in this scenario how the corpus luteum will secret RELAXIN at the parturition at 9 month if it is already died and replaced by placenta?
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Solution
Actually it is not corpus luteum that produces relaxin during parturition.
Relaxin is a hormone secreted by the placenta that causes the cervix to dilate and prepares the uterus for the action of oxytocin during labour.
Relaxin is a hormone secreted by the placenta that causes the cervix to dilate and prepares the uterus for the action of oxytocin during labour.
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