Table 3.

Rate of spontaneous resolution without recurrence of heavy menstrual bleeding (HMB)

Duration of follow-up Initial cohort	Age years	Number at risk	Cases of resolution	Rate of resolution for follow-up period (95% CI)
6 months
HMB	40–44	670	116	17.3% (14.6–20.4%)
	45–49	670	109	16.3% (13.7–19.3%)
	50–54	302	106	35.1% (30.0–40.8%)
HMB with heaviness that interferes with life	40–44	227	16	7.0% (4.4–11.1%)
	45–49	251	20	8.0% (5.8–13.2%)
	50–54	109	32	29.4% (21.6–38.5%)
1 year
HMB	40–44	577	55	9.5% (7.4–12.2%)
	45–49	554	51	9.2% (7.1–11.9%)
	50–54	260	71	27.3% (22.3–33.0%)
HMB with heaviness that interferes with life	40–44	184	6	3.3% (1.5–6.9%)
	45–49	206	11	5.3% (3.0–9.3%)
	50–54	89	20	22.5% (15.0–32.2%)
2 years
HMB	40–44	258	10	3.9% (2.1–7.0%)
	45–49	248	20	8.1% (5.3–12.1%)
	50–54	126	32	25.4% (18.6–33.7%)
HMB with heaviness that interferes with life	40–44	77	2	2.6% (0.7–9.0%)
	45–49	88	7	8.0% (3.9–15.5%)
	50–54	43	9	20.9% (11.4–35.2%)