Menstruation begins on cycle day 28 of the menstrual cycle.

Authors

• Person: Feingold KR, Adler RA, Ahmed SF Organization: National Center for Biotechnology Information
  The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH

Sources

• The Normal Menstrual Cycle and the Control of Ovulation - NCBI - NIH www.ncbi.nlm.nih.gov Feingold KR, Adler RA, Ahmed SF · National Center for Biotechnology Information via serper

Referenced by nodes (2)

• menstruation concept
• menstrual cycle concept