Is there a lot of bleeding during a miscarriage?

Mar 19, 2025 Source: Cainiu Health
Dr. Zhang Lu
Introduction
In general, the amount of bleeding during a miscarriage depends on the gestational age at the time of the miscarriage and the condition of uterine contractions. If the gestational age is advanced and uterine contractions are poor, there may be significant bleeding. However, if the gestational age is early and uterine contractions are adequate, excessive bleeding typically does not occur. After a miscarriage, it is important to follow the doctor's instructions for appropriate rest and recovery.

Generally, whether there is heavy bleeding during a miscarriage needs to be determined based on specific circumstances. If the gestational age is advanced and the uterus contracts poorly during the miscarriage, there may be significant bleeding. However, if the gestational age is small and the uterus contracts well, heavy bleeding typically does not occur. Detailed analysis is as follows:

The larger the gestational age, the greater the potential blood loss during miscarriage. For example, during weeks 10-14 of pregnancy, the procedure for miscarriage is called dilation and curettage (D&C), and blood loss may be substantial. If the gestational age is even more advanced, blood loss may increase further. Poor uterine contraction after miscarriage may also lead to continuous bleeding from the wound surface inside the uterine cavity, potentially causing hemorrhage. This could be due to postoperative infection, the patient's physical condition, or damage to the endometrium during the procedure.

If the gestational age is small, blood loss is usually minimal. For example, if the miscarriage occurs before 7-8 weeks of pregnancy, the blood loss is generally limited to less than tens of milliliters. Good uterine contraction after miscarriage can also quickly stop the bleeding and expel accumulated blood from the uterine cavity, thus reducing blood loss.

After a miscarriage, it is important to follow your doctor's instructions regarding appropriate rest and recovery, maintain personal hygiene, and avoid sexual intercourse and bathtub bathing to reduce the risk of infection.

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