To bleed or not to bleed, that is the question.
Coutinho
Elsimar M
EM
Centro de Pesquisa e Assistencia em Reroducao Humana (CEPARH), Rua Caetano Moura, 40210-341 Bahia, Brazil. ceparh@uol.com.br
D003267:Contraception / Q000379:methods*; D005260:Female; D006801:Humans; D008598:Menstruation / Q000502:physiology*; D016387:Women's Health