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To strip the membranes your cervix must already be dilated. It can have some effect to trigger labor. Most doctors prefer to induce by 41 weeks or certainly by 42 weeks to avoid the complications of postterm pregnancy.
There are a few ways a doctor or midwife can induce your labor. These are listed from most to least common. Stripping the membranes. In this procedure, your doctor or midwife will use a gloved finger to gently separate the amniotic sac from the wall of the uterus. This releases hormones that can trigger contractions. You can get it done in your doctor's or midwife's office.