Is membrane stripping effective? Generally, yes. One study reported that 90 percent of women who had a membrane sweep delivered by 41 weeks, compared to 75 percent of women who didn't have one. Membrane stripping might be most effective if you're past your due date.
How long after a membrane sweep will I go into labour?
If the membrane sweep is successful you will usually go into labour within 48 hours. Having 2 or even 3 membrane sweeps 48 hours apart is the most successful in encouraging labour to start.
When are membrane sweeps most effective?
If you've never given birth before, it's most effective if performed at 40 weeks. If you have already given birth at least once, it's most effective closer to 41 weeks. One study showed that 90% of those who had a membrane sweep gave birth by 41 weeks compared to 75% who did not have the procedure.