Most guidelines recommend starting perineal massage around week 35 of pregnancy, roughly four to six weeks before your due date. Starting at this point gives the tissue enough time to gradually stretch and become more flexible before labor, reducing the likelihood of tearing that requires stitches by about 9% according to a review published in the BMJ.
Why Week 35 Is the Sweet Spot
The perineum, the tissue between the vaginal opening and the anus, needs to stretch significantly during birth. Beginning massage around 35 weeks gives you roughly four to five weeks of practice before a full-term delivery. Research shows that massaging once or twice a week for about four weeks provides a meaningful benefit. Starting much earlier than 34 weeks isn’t recommended, and starting later still helps but gives the tissue less time to adapt.
Do not begin perineal massage before 34 weeks. If you have a low-lying placenta (placenta praevia), a short cervix, vaginal bleeding, severe blood pressure problems during pregnancy, or an active infection like thrush or herpes, skip perineal massage entirely and talk to your midwife.
How Often and How Long Each Session
One to two sessions per week is enough. Each session takes about five minutes total. You don’t need to do it daily for it to work, and overdoing it can cause unnecessary soreness. Consistency matters more than frequency: a steady routine of once or twice weekly over several weeks is what the evidence supports.
Step-by-Step Technique
Start after a warm bath or shower, when the tissue is naturally softer. Wash your hands thoroughly and trim your nails short. Apply a lubricant to your thumbs and the perineal area. Then follow these steps:
- Insert your thumbs about 2.5 to 4 centimeters (roughly 1 to 1.5 inches) inside the vagina. Rest your forefingers on your buttocks for stability.
- Press downward toward your anus and outward to the sides simultaneously until you feel a stretching, tingling, or mild burning sensation.
- Hold this pressure for about 2 minutes. Breathe slowly and deeply, and consciously try to relax the muscles rather than tightening against the stretch.
- Massage in a U-shape by slowly sweeping your thumbs back and forth along the lower and side walls of the vagina for about 3 minutes.
A partner can do this for you using their index fingers in place of your thumbs, which becomes easier as your belly grows in the final weeks. If your partner helps, clear communication about pressure is essential. The stretch should feel noticeable but never painful.
What It Should (and Shouldn’t) Feel Like
A mild burning or stinging sensation during the stretch is completely normal. This is actually useful preparation: it mimics the “ring of fire” feeling many people experience as the baby’s head crowns during delivery. Feeling familiar with that sensation can help you stay relaxed rather than tensing up in labor, which in turn helps prevent tearing.
The first few sessions often feel awkward or uncomfortable. Most people notice it gets noticeably easier after two to three weeks of regular practice. That increasing comfort is a sign the tissue is becoming more elastic. If you experience sharp pain, bleeding, or increased soreness that lasts well after the session, stop and check in with your midwife.
Choosing the Right Lubricant
A plain, water-based lubricant with a short ingredient list works well and is the safest choice for internal use. Look for products free of glycerin and parabens, both of which can cause irritation or encourage yeast overgrowth. Some people use natural oils like coconut oil or vitamin E oil, which feel smooth but can disrupt vaginal pH and aren’t ideal if you’re prone to infections. If you have any history of yeast infections, stick with water-based options.
Who Benefits Most
The strongest evidence for perineal massage is in first-time mothers. People who have given birth vaginally before already have tissue that has stretched once, so the benefit is smaller (though not zero). For a first vaginal delivery, regular antenatal perineal massage is one of the few things you can do at home that has solid clinical evidence behind it for reducing the chance of a tear that needs stitches.
Perineal massage during pregnancy is a separate practice from perineal massage performed by a care provider during labor itself. During the active phase of labor, a midwife or doctor may also massage and support the perineum as the baby descends. The two approaches complement each other, and the at-home version in the weeks before birth is entirely within your control.