Induction Methods
The following information highlights several , but not all , of the methods commonly used for medical labor induction and provides a brief overview of considerations . Ask questions about any methods that are suggested , including the advantages , drawbacks and alternatives available to you .
Sweep / Strip the Membranes
Your health care provider uses their fingers to gently pull away the outer layer of the amniotic sac from the wall of the uterus near the cervix .
Advantages : Drug-free , considered noninvasive and can be done at a prenatal appointment . Generally causes cramping / contractions , which can sometimes lead to labor , especially after 40 weeks .
Considerations : The cervix must be partially dilated for this procedure to be possible . Can be painful , increases risk of infection , may lead to accidental rupture of membranes .
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Foley Catheter
A catheter with a balloon attached ( see below ) is inserted into your cervix and the balloon is slowly inflated . The pressure helps stretch the lower portion of the uterus and open the cervix . The catheter often falls out once the cervix has dilated about four centimeters .
Advantages : Low risk ( does not use synthetic hormones or medications ) and often effective .
Considerations : May increase the risk of infection , rupture of membranes , incomplete dilation , cervical swelling and discomfort .
Cervical Ripening
Medication ( synthetic prostaglandin hormone ) is placed next to or applied to the cervix to soften it . This is usually done if the cervix has not effaced much and before starting IV Pitocin .
Advantages : Often ripens the cervix and can increase the likelihood that induction will result in a vaginal birth . May start labor without further medication . Dose may be repeated .
Considerations : You will need to stay in bed with continuous fetal monitoring for a period of time . There are several medication options . Possible side effects include fever , nausea , fetal distress and increased risk of infection .
Limited research has suggested that if you are healthy and having your first baby , inducing labor at 39 weeks may reduce your risk of cesarean birth . However , the outcome of early elective induction will vary depending on the approach and patience of the health care provider . You may wish to ask your provider in advance about their policies and preferences regarding labor induction , especially if you prefer to let labor begin on its own .
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