Which mammals have periods like humans?

BBC News on HealthWhich mammals have periods like humans?

Dr Chi Eziefula, a menstrual health expert, explains which mammals menstruate – and how their cycles differ from other animals.

September 10, 2025/by BBC News

► Necessary Cookies Standard

Necessary cookies enable essential site features like secure log-ins and consent preference adjustments. They do not store personal data.

None

► Functional Cookies Remark

Functional cookies support features like content sharing on social media, collecting feedback, and enabling third-party tools.

None

► Analytical Cookies Remark

Analytical cookies track visitor interactions, providing insights on metrics like visitor count, bounce rate, and traffic sources.

None

► Advertisement Cookies Remark

Advertisement cookies deliver personalized ads based on your previous visits and analyze the effectiveness of ad campaigns.

None