Question:

Do marine mammals have menstrual cycles?

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like dolphins, seals, etc? And do they attract sharks??

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  1. Not really.  Menstruation is a human peculiarity.  Most mammals (including marine mammals) have estrus cycles.  If they do not mate within the proper time, they re-absorb the uterine lining and the unfertilized egg, rather than ejecting them.


  2. Yes, in captivity they give them birth control.

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