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CBSE Class 12-science Answered

Why are menstrual cycles absent during pregnancy?
Asked by Topperlearning User | 11 Jun, 2014, 03:33: PM
answered-by-expert Expert Answer

When pregnancy occurs, high levels of progesterone and estrogens suppress the gonadotrophin (FSH). The latter is required for the development of new follicles. Thus, new menstrual cycle cannot be initiated as long as FSH secretion is suppressed. So, menstrual cycles are absent during pregnancy

Answered by | 11 Jun, 2014, 05:33: PM
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