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Stripping the membranes is a method used to induce labor in women who have reached full-term pregnancy. Stripping the membranes (also called sweeping the membranes), is a simple, relatively harmless procedure when properly administered by a health care professional, but its effectiveness is debatable.
Method
Stripping the membranes is accomplished as the practitioner inserts a finger into a dilated cervix and digitally separates the amniotic membranes (the bag surrounding the baby) from the wall of the cervix and lower uterine cavity. The procedure can cause discomfort and might result in vaginal bleeding.
Function
The theory behind membrane stripping is that the separation of the membranes stimulates the release of prostaglandin hormones. these hormones will soften and open the cervix and help start contractions.
Effectiveness
According to the American College of Gynecology, stripping membranes increases the likelihood of spontaneous labor within 48 hours of the procedure. Other studies, however, have not found membrane stripping to have a significant effect on the duration of pregnancy.
Considerations
Membrane stripping may be a good option for women who are 42 weeks pregnant, or who are full-term and have a valid medical reason for labor induction. The cervix must be dilated enough to allow for the procedure. Membrane stripping should only be done with medical supervision.
Limitations
Membrane stripping should not be performed on women who are less than 37 weeks pregnant, who cannot safely deliver vaginally, who have unexplained vaginal bleeding, or who do not have a valid medical reason for labor induction.
Source:
"Journal of Midwifery & Women's Health;" Stripping Membranes; 2009;54(3):259-260
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