Pelvic Pain in Pregnancy

Pain in the lower abdomen, pubic bone, or sides of the pelvis that worsens when walking, climbing stairs, or turning in bed: pelvic pain is a common symptom in the second half of pregnancy and may hinder daily movement in some women. Although it is usually a natural result of loosening pelvic ligaments in preparation for birth, its severity varies greatly, and some types of it need medical evaluation. In this guide we explain the causes of pelvic pain, the difference between normal and worrying pain, practical relief methods, and the warning signs that need a doctor.

Short answer: Pelvic pain is common from the second trimester, caused by relaxin loosening the pelvic joints and pressure from the baby. It worsens with walking and stairs and eases with rest. Avoiding straining movements, a support belt, and sleeping with a pillow between the knees ease it. See your doctor with bleeding, watery discharge, regular contractions, or fever.

What Is This Symptom and Why Does It Happen in Pregnancy?

Pregnancy pelvic pain is pain, pressure, or stabbing in the lower abdomen, pubic bone, and side pelvic joints, sometimes extending to the inner thighs or lower back. Its main cause is relaxin, which loosens the ligaments connecting the pelvic bones so the birth canal can widen; the pelvic joints become more mobile than normal, causing pain with movement. Added to that is the increasing pressure of the baby's head on the pelvic floor and bladder, especially in the third trimester, plus overall weight gain. Symptoms worsen with activities that separate the two sides of the pelvis: long walking, climbing stairs, standing on one leg (like putting on pants), turning in bed, and getting up from a low position. In more severe cases doctors call this condition pelvic girdle pain, and it is manageable with physical therapy.

The science behind it

When Does It Start and When Does It Get Better?

Pelvic pain usually starts in the second trimester with increased relaxin secretion and the beginning of the baby's weight, and gradually increases in the third trimester, peaking in the final two months when the baby's head drops into the pelvis. It worsens at the end of the day and after activity, and eases with rest and sleep. After birth it gradually improves as hormones drop and joints regain stability over weeks to months. If severe pain keeps hindering walking for weeks after birth, consult your doctor; specialized physical therapy may help.

Natural, Safe Ways to Find Relief

⚠️ When should you call your doctor? Pelvic pain that eases with rest is usually normal, but see your doctor in these cases: pain with vaginal bleeding or heavy watery discharge (possible membrane rupture); regular, close uterine contractions (possible preterm labor); pain with fever, chills, and burning urination (possible infection needing treatment); severe sudden pain that does not ease with rest at all; or complete inability to walk. Do not take strong painkillers without consulting your doctor.

Quick takeaways

Frequently asked questions

Does pelvic pain mean birth is near?

Not necessarily; pelvic pain is common from the sixth month because of hormones and pressure. True labor signs are regular close contractions growing stronger, or water or blood discharge.

What is the difference between normal and dangerous pelvic pain?

Normal pain worsens with movement and eases with rest, with no bleeding or discharge. Dangerous pain is continuous and increasing despite rest, or comes with bleeding, watery discharge, regular contractions, or fever.

Does walking increase pelvic pain?

Long walking may increase it, but light movement is beneficial. Walk in short repeated periods instead of one long walk, use a support belt, and stop when pain intensifies.

Is pubic bone pain normal?

Yes; pubic bone pain (at the front of the pelvis) is a common form of pelvic pain from the loosening pubic joint. It worsens when opening the legs, so avoid that and consult your doctor if it is severe.

When does pelvic pain disappear after birth?

It gradually improves over weeks to months as hormones drop. If it keeps hindering walking weeks after birth, physical therapy is the best solution.

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Last reviewed: 2026-10-07

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