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If I am not menstruating, am I not ovulating?

By Paloma de la Fuente Vaquero M.D., Ph.D., M.Sc. (gynecologist).
Last Update: 03/09/2022

For menstruation to occur, progesterone secretion is necessary, which occurs in the second phase of the cycle (secretory phase), after ovulation.

Menstruation is nothing more than endometrial shedding (the inner layer that lines the uterus) when there is a hormonal drop in estrogen and progesterone at the end of the second phase of the cycle (secretory phase). Therefore, it is very likely that if you are not menstruating you are not ovulating.

However, vaginal bleeding is not always synonymous with ovulation. There are vaginal bleeding that are not properly menstruation, and that can confuse us. This is the case of cervical bleeding, polyps... This type of bleeding is usually irregular.

However, it is important to know that women with regular periods (every 28 days on average) ovulate in 95% of cases.

 Paloma de la Fuente Vaquero
Paloma de la Fuente Vaquero
M.D., Ph.D., M.Sc.
Gynecologist
Bachelor's Degree in Medicine from the Complutense University of Madrid, with a Master's Degree in Human Reproduction and a Doctorate in Medicine and Surgery from the University of Seville. Member of the Spanish Fertility Society (SEF) and the Spanish Society of Gynecology and Obstetrics (SEGO), she performs as a gynecologist specializing in assisted reproduction in the clinic IVI Sevilla.
License: 4117294
Gynecologist. Bachelor's Degree in Medicine from the Complutense University of Madrid, with a Master's Degree in Human Reproduction and a Doctorate in Medicine and Surgery from the University of Seville. Member of the Spanish Fertility Society (SEF) and the Spanish Society of Gynecology and Obstetrics (SEGO), she performs as a gynecologist specializing in assisted reproduction in the clinic IVI Sevilla. License: 4117294.