Membrane Sweep
A membrane sweep, also known as a cervical sweep or stretch and sweep, is a medical procedure performed during late pregnancy to stimulate the cervix and potentially initiate labor. The procedure involves a healthcare provider sweeping their finger around the cervix, separating the amniotic sac (membranes) from the uterine wall.
What Does the Membrane Sweep Actually Do: The primary purpose of a membrane sweep is to release prostaglandins, hormones that can help soften the cervix and trigger contractions. This is done in an attempt to initiate the natural onset of labor.
When Does the Membrane Sweep Occur: Membrane sweeps are typically offered as a means of induction when a pregnant person is approaching or has surpassed their due date. Your healthcare provider will discuss the option with you at an appointment.
Procedure Details: During a membrane sweep, a healthcare provider inserts a gloved finger into the cervix and sweeps it around the edge, separating the amniotic sac from the uterine wall. This action releases prostaglandins and may stimulate contractions.
Potential Discomfort: The procedure may cause some discomfort or cramping. It is important to communicate with the healthcare provider about any pain or discomfort experienced during the sweep.
Success Rates: The success of membrane sweeps in initiating labor varies. While some individuals may go into labor shortly after the procedure, others may not experience any immediate effects.
Risks and Considerations: Membrane sweeps are generally considered safe, but there are risks. These may include discomfort during the procedure, bleeding, and the potential for the procedure to be unsuccessful ie. not inducing labor.
Alternatives to Induction: Before resorting to membrane sweeps or other induction methods, healthcare providers often discuss alternatives and consider the overall health of both the pregnant person and the baby.
Sources:
Royal College of Obstetricians and Gynaecologists (RCOG). (2013). "Induction of Labour."
American College of Obstetricians and Gynecologists (ACOG). (2021). "Induction of Labor." source
NHS. (2021). "Inducing Labour."
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