- What is membrane sweep?
- When and how is a membrane sweep done?
- What to expect after the procedure?
- When should you not get a membrane sweep done?
- Advantages and disadvantages of a membrane sweep
- What is the success rate of membrane sweep?
When you are past your due date and there are no signs of labor, the doctor may consider using a labor-inducing method to kick-start the process. Of the many, membrane sweep is one method that is simple and preferred by several women. But what exactly is it and how does it work?
What Is Membrane Sweep?
Membrane sweeping, also known as cervical sweeping or membrane stripping, manually stimulates the cervix to release the hormone called prostaglandins for promoting the onset of natural labor.
It is a useful method but can also bring discomfort, irregular contractions, and some bleeding. However, this technique reduces the need for other medical interventions such as prostaglandins and oxytocins for inducing labor or even a C-section for delivering the child (1).
Doctors or midwives may recommend this procedure, but only under certain circumstances.
[ Read: How To Induce Labor ]
When Is A Membrane Sweep Done?
A membrane sweep is offered if the pregnancy is prolonged (2):
- If you are a first-time mom, it will be done during the 40th week of pregnancy.
- If you have given birth before, then it will be done at 41 weeks.
A membrane sweep is one of the safest and non-invasive methods that do not pose any risk. Keep reading to understand how the procedure is done.
How Is It Done?
Membrane sweeping is done for women who are planning a vaginal birth. The procedure is explained below (3):
- The doctor checks the estimated delivery date.
- You will be asked to empty your bladder and lie on the labor table.
- The mattress is tilted towards the left side to avoid supine hypertension.
- The doctor inserts a finger into the vagina to feel the cervix and the position of the baby. She checks if the cervix is favorable for carrying out this procedure.
- If yes, a gentle and circular sweep movement is done inside the cervix to separate the amniotic sac from the uterine wall and the cervix. This promotes the release of prostaglandins and facilitates childbirth.
- This increases the probability of onset of labor within 48 hours and delivery within one week.
The condition of the cervix can be a determining factor for the effectiveness of this method.
- If the cervix is unfavorable or uneffaced, then this procedure will not be carried out.
- If the cervix is soft but closed, then a cervical massage is offered until it allows the insertion of a finger to increase the effectiveness of this procedure.
- If the cervix doesn’t open, massaging around the vaginal fornices can stimulate the release of prostaglandins. If labor pain doesn’t start even after 36 hours, then this process is repeated.
After the procedure is done, you have to follow certain instructions given by your doctor. Read here.
[ Read: Induce Labor With Acupressure ]
What To Expect After The Procedure?
Once the procedure is done,
- You will have to wear a sanitary pad and wait for labor.
- The doctor will advise you to take a warm bath and paracetamol in case of painful contractions and discomfort.
- You have to seek immediate medical attention in case of blood loss, unbearable pain, or spontaneous rupture of membrane.
The procedure will be repeated if the labor doesn’t start within the expected time.
Although this procedure is ideal for inducing natural labor, it is not always recommended.
When Should You Not Get A Membrane Sweep Done?
Membrane sweep should not be carried out under the following conditions (4):
- Rupture of membrane
- Low lying placenta
- Closed cervix
- The baby’s head is not engaged
- When the mother is Rh negative
- Vaginal infections (3)
Membrane sweeping has its advantages and disadvantages. Let us see what they are.
Advantages And Disadvantages Of Membrane Sweep
Like many other procedures, membrane sweep also has its pros and cons (5):
- Promotes the onset of spontaneous labor.
- Requires no hospital admission as it is done during the pregnancy check-up session.
- Safe and efficient
- Uncomfortable and slightly painful.
- May not start labor in the first attempt itself.
- Risk of rupturing the amniotic sac (4).
- Vaginal bleeding, spotting, and irregular contractions can be experienced post-procedure.
This procedure is used to initiate labor naturally, owing to its success rate, albeit low.
What Is The Success Rate Of Membrane Sweep?
According to a review published in British Journal of Obstetrics & Gynecology, membrane sweeping increases the possibility of labor within 48 hours by 24%. Around 46 % chances are of delivering within a week and about 74% chances of the delivery not being prolonged over two weeks (6).
[ Read: Pineapple To Induce Labor ]
A membrane sweep is performed to avoid medical interventions for inducing labor. If this option is referred to you by the doctor or the midwife, then weigh the pros and cons before opting for it. Your doctor will recommend it but will not do the procedure unless you are comfortable with it and approve of it.
Do you have any experience to share? Let us know in the comment section below.
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