Your due date has passed. The days drag on, and you just want it to begin.

Going past your due date is completely normal — only 4% of babies arrive on their actual due date. But that does not make the waiting easy. Many pregnant people wonder whether there are natural ways to get labor started. Here we look at what the research actually says.

What does it mean to go past your due date?

According to the WHO, a pregnancy is considered "on time" from week 37 to week 42. The due date is calculated at week 40, but this is only an estimate. If you go past week 41+3, the hospital will generally offer medical induction.

Between week 40 and week 42 it is therefore completely normal to wait. You will be seen for extra checkups from week 41 to make sure the baby and placenta are doing well.

Always talk to your midwife or doctor before trying to stimulate contractions. Some methods should be avoided if you have complications or have been told to take it easy.

Methods with some documented effect

Some natural methods have actually shown promising results in studies, even though none of them are guaranteed to work.

Walking and physical activity

Movement and an upright position allow gravity to help the baby press down into the pelvis. Many midwives recommend daily brisk walks in the final weeks. Research is limited, but it is safe and has other benefits such as better sleep and mood.

Stair climbing is popular among pregnant people — the deep hip movement can help the baby settle into a favorable position. Do not overdo it — the point is moderate activity, not exhaustion.

Sex

Semen contains prostaglandins, substances that can soften the cervix. In addition, oxytocin is released during orgasm, which is the same hormone that drives contractions. Several studies suggest that sex around the due date may contribute to labor starting, but the results are not consistent.

Sex is safe as long as the waters have not broken and you have not been told otherwise by your doctor.

Nipple stimulation

Stimulating the nipples releases oxytocin from the brain. Research shows that this is one of the most documented natural methods for stimulating contractions. A Cochrane review found that nipple stimulation can reduce the incidence of post-term pregnancy.

The method involves gently massaging the nipples for about 15 minutes, with breaks. Do it gently and stop if you experience discomfort or very strong contractions.

Nipple stimulation can produce strong contractions. Use the contraction timer to monitor them. Stop stimulation and contact the hospital if contractions become very frequent (less than 3 minutes apart) or very painful.

Dates

An interesting study found that women who ate 6 dates daily in the last 4 weeks before their due date had greater cervical dilation on arrival at hospital and a shorter latent phase. Later studies have shown similar results. Dates are nutritious and safe — there is no reason not to try them.

Acupuncture and acupressure

Acupuncture around the due date has shown promising results in some studies, but the evidence base is weak. Hospitals rarely offer acupuncture as an induction method, but some midwives use acupressure.

The acupressure point SP6 (four fingers above the inner ankle) is traditionally used to stimulate contractions. Press firmly but gently for one minute at a time.

Methods with weak or no documented effect

Some popular methods have little or no research behind them.

Spicy food and spices

Spicy food can stimulate the intestines, and some believe this can trigger contractions in the uterus. Research does not support this. The most likely outcome is stomach trouble and heartburn.

Castor oil

Castor oil is a strong laxative that can cause severe abdominal cramps, nausea, and diarrhea. Although some studies show it may start contractions, most healthcare providers advise against it due to the discomfort and risk of dehydration.

Pineapple

Pineapple contains the enzyme bromelain, which in theory can soften the cervix. The problem is that you would need to eat up to 7–8 whole pineapples to get a relevant dose. Enjoy pineapple because it tastes good, but do not expect it to start labor.

Herbal tea (raspberry leaf)

Raspberry leaf tea is popular among pregnant people. There is no good evidence that it induces labor, but some studies suggest it may strengthen uterine muscles. Health authorities recommend that pregnant people be cautious with herbal teas in general. Talk to your midwife.

Whatever you try — the most important thing in the days around your due date is to rest, gather your strength, and keep your spirits up. Labor will come. Use the waiting time to do something enjoyable.

Medical induction — what happens?

If you reach week 41+3 without labor starting naturally, the hospital will offer induction. This is usually done with:

Balloon or rod (mechanical cervical ripening)
Prostaglandin gel or tablet (softens the cervix)
Oxytocin drip (stimulates contractions directly)

Medical induction is safe and well documented. It is not a failure — it is good medical care.

Frequently asked questions

When is it safe to try natural methods?

Most natural methods are safe from week 39–40 onward, but talk to your midwife first. Avoid nipple stimulation and similar methods if you have a high-risk pregnancy, placenta previa, or have been told to avoid contractions.

Does climbing stairs work?

There are no studies showing that stair climbing is more effective than regular walking. But movement in general is good, and the deep hip movement can help the baby settle correctly in the pelvis.

Can natural methods replace medical induction?

No. Natural methods may help the body get started, but they are not as reliable as medical induction. If your doctor recommends medical induction, it is because it is the safest option for you and the baby.

What if nothing works?

That is completely normal. Some bodies need a little extra time, and some babies are comfortable where they are. If natural methods do not help, medical induction is the next step. The most important thing is that both you and the baby are safe.

Summary

Sex, nipple stimulation, walking, and dates have some documented effect. Spicy food, castor oil, and pineapple are mostly myths. Whatever you try, the most important thing is that you do it safely and in consultation with your midwife. Keep the contraction timer ready for when it begins.

Sources

WHO — Post-term pregnancy management guidelines
Cochrane Review — Breast stimulation for cervical ripening and induction of labour
Al-Kuran O et al. — "The effect of late pregnancy consumption of date fruit on labour and delivery." Journal of Obstetrics and Gynaecology, 2011.

Natural Labor Induction — What Works and What Is a Myth?