Video guide
SWAN daily bleeding diaries from 1,320 women: 77.7% had periods of 10+ days at least 3 times; 66.8% had 6+ days of spotting; 34.5% had 3+ days of heavy bleeding.
Published
Nobody told me periods could last 10 days.
In a study of 1,320 women’s daily bleeding diaries, long and heavy bleeding were common in the years before menopause. Common, yes. Still worth raising with your doctor, and any bleeding after a year without periods is worth checking.
1,320 women kept daily menstrual calendars through the menopause transition
Paramsothy et al., BJOG, 2014 (SWAN)At least 3 periods of 10+ days: 77.7%; 6+ days spotting: 66.8%; 3+ days heavy bleeding: 34.5%
Paramsothy et al., BJOG, 2014 (SWAN)Linked to fibroids, hormone use and transition stage
Paramsothy et al., BJOG, 2014 (SWAN)Paramsothy P, Harlow SD, Greendale GA, et al. Bleeding patterns during the menopausal transition in the multi-ethnic Study of Women's Health Across the Nation (SWAN). BJOG. 2014;121(12):1564-73.
Read the sourceNumbers are rounded the way the original source reports them. If you spot an error, email admin@svarene.com and we will correct it.
Available now on iPhone and Android
Private by design. Built for perimenopause. Ready when you are.
Privacy at a glance
Core health logs stay on-device.
Optional services use only the limited information they need.
No data sales. No ads. No advertising tracking.
