Perineal stretching, commonly called perineal massage, involves using your fingers to gently stretch the tissue between the vaginal opening and the anus to prepare it for childbirth. Starting around week 34 or 35 of pregnancy and practicing just a few times per week can cut the risk of severe tearing by roughly half and reduce postpartum perineal pain three months after delivery by about 36%.
Why Perineal Stretching Works
The perineum is a small but structurally important area where several pelvic floor muscles converge, including the muscles that support the bladder, vagina, and rectum. During vaginal delivery, this tissue must stretch dramatically to allow the baby’s head to pass through. Without preparation, that stretch can result in tearing or a surgical cut (episiotomy).
During pregnancy, hormones naturally soften and loosen the pelvic tissues to allow for stretching during childbirth. Perineal massage works with that process by gradually increasing the tissue’s flexibility and your comfort with the pressure and stretching sensation you’ll feel during delivery. A meta-analysis of ten randomized controlled trials involving over 4,000 women found that those who received perineal massage had a 48% lower risk of severe perineal trauma (third- and fourth-degree tears) compared to women who didn’t. The reduction in fourth-degree tears specifically was even more striking: a 68% lower risk.
The benefits extend beyond delivery day. A separate meta-analysis found no difference in perineal pain at three days postpartum between women who practiced the massage and those who didn’t. But at three months postpartum, women who had done perineal massage were significantly less likely to still be experiencing pain. The short-term recovery looks similar, but the longer-term healing is meaningfully better.
When to Start and How Often
Clinical guidelines recommend starting perineal massage at 34 to 35 weeks of pregnancy. Starting earlier hasn’t been shown to add benefit, and the tissue responds well to just a few weeks of consistent practice before your due date.
You don’t need to do this every day. A Cochrane review of four trials found that women who massaged as little as once or twice a week from 35 weeks saw reduced rates of perineal trauma and ongoing pain. Interestingly, the data on frequency is somewhat counterintuitive: women who massaged an average of 1.5 times per week saw a 16% reduction in trauma requiring stitches and a 28% reduction in episiotomy rates. Women who massaged more frequently (3.5 or more times per week) did not see a statistically significant additional benefit. So consistency matters more than frequency. Aim for one to four sessions per week, each lasting about 5 to 10 minutes.
What You’ll Need
Use a lubricant to reduce friction and make the massage comfortable. Safe options include:
- Water-soluble lubricant (unscented)
- Olive oil
- Almond oil
- Vitamin E oil
- Wheatgerm oil
- Other natural, unscented vegetable oils
Avoid scented oils, synthetic oils, or anything with added fragrances, as these can irritate the delicate vaginal tissue.
Step-by-Step Technique
Wash your hands thoroughly and trim your nails short. Find a comfortable position: semi-reclined with pillows behind your back, sitting propped up on your bed, or standing with one foot raised on a stool. Some women find it helpful to do this after a warm bath, when the tissue is already relaxed.
Apply lubricant generously to both thumbs and to your perineum. Insert your thumbs about 3 to 4 centimeters (roughly 1 to 1.5 inches) into the vaginal opening. Press downward toward the rectum and outward toward the sides. You should feel a stretching or mild burning sensation, but not sharp pain. Hold this pressure for one to two minutes, letting the tissue gradually release.
Then move your thumbs in a slow U-shaped sweeping motion along the lower half of the vaginal opening, from roughly the 3 o’clock position down to 6 o’clock and back up to 9 o’clock. Continue this sweeping and sustained downward pressure for 5 to 10 minutes total. The goal is to become comfortable with the feeling of pressure and stretch in this area, which closely mimics what you’ll feel during the crowning phase of delivery.
Your partner can also do this for you using their index fingers instead of thumbs, which can be easier as your belly grows in the final weeks. The same technique applies: insert, press downward and outward, hold, and sweep in a U-shape.
What It Should and Shouldn’t Feel Like
Expect a sensation of pressure and stretching, similar to a mild burning or tingling. This is the tissue being gently stretched and is completely normal. In your first few sessions, the sensation may feel intense. It typically becomes more comfortable after four or five sessions as the tissue gains flexibility and you learn to relax into the pressure.
If you feel sharp or stabbing pain, ease off the pressure. The stretch should always remain at a level you can tolerate while breathing steadily. If you notice any vaginal bleeding, unusual discharge, or increased pain after a session, stop the massage and contact your care provider.
When to Avoid Perineal Stretching
Perineal massage is not appropriate in every pregnancy. You should skip it if you have an active vaginal or reproductive tract infection, as the massage could worsen or spread the infection. Other situations where it’s typically avoided include placenta previa, premature rupture of membranes, unexplained vaginal bleeding, or severe pregnancy complications like preeclampsia or placental abruption.
Some women worry that the physical stimulation could trigger premature rupture of membranes or preterm labor. Research hasn’t confirmed this as a risk when massage is performed gently starting at 34 to 35 weeks in an otherwise healthy pregnancy. But if you have a history of preterm labor or your provider has flagged any concerns about cervical length or stability, it’s worth discussing before starting.
What Perineal Massage Can and Can’t Do
Perineal stretching meaningfully reduces the risk of severe tears, helps maintain an intact perineum, and lowers the chance of lingering pain months after delivery. Those are substantial benefits from a simple, low-cost technique you can do at home. What it can’t do is guarantee you won’t tear. Many factors influence tearing during delivery, including baby’s size and position, the speed of the pushing stage, and individual tissue characteristics. Think of perineal massage as one of the strongest tools available to shift the odds in your favor, not an absolute prevention.