How long after a dilation and curettage (D&C) procedure does menstruation resume?

Jul 15, 2022 Source: Cainiu Health
Dr. Chen Zhe
Introduction
In general, menstruation resumes within 42 days after a dilation and curettage (D&C) procedure. However, some women may sustain endometrial injury during the D&C, leading to endometritis and intrauterine adhesions, which can result in amenorrhea or hypomenorrhea. In such cases, anti-inflammatory medication is required to treat the inflammation, followed by evaluation to determine whether the adhesions have improved. If the adhesions are not severe, anti-inflammatory treatment often yields excellent results.

After undergoing a dilation and curettage (D&C) procedure, some women may experience delayed menstruation, while others may have earlier-than-usual periods. So, how long after a D&C does menstruation typically resume?

How long after a D&C does menstruation resume?

In general, menstruation resumes within 42 days following a D&C. However, in some cases, the procedure may cause injury to the endometrium, leading to endometrial inflammation and intrauterine adhesions—resulting in amenorrhea (absence of menstruation) or very light menstrual bleeding. In such instances, anti-inflammatory medications should be administered first to reduce inflammation, followed by evaluation to determine whether the adhesions have improved. If the adhesions are mild, anti-inflammatory treatment is often highly effective. For more severe cases, hysteroscopy is required to assess whether surgical intervention is necessary.

Following a D&C, endometrial repair requires time—typically about one month—before menstruation resumes. A variation of up to one week earlier or later than expected is considered normal. Additionally, some women develop endocrine imbalances post-D&C, which may lead to menstrual delay.

Therefore, individual responses vary significantly. If menstruation has not resumed within 40 days after the D&C, prompt medical evaluation is essential—including transvaginal color Doppler ultrasound to assess endometrial thickness. For thickened endometrium, oral progesterone may be prescribed to induce menstruation; for thin endometrium, hormonal assays or hysteroscopy may be indicated, with subsequent treatment tailored according to findings. We hope this information is helpful to you!