Postpartum Physical Recovery: What to Expect in the First 12 Weeks

What Happens to the Body After Birth

Childbirth — whether vaginal or caesarean — is a major physiological event. The postpartum body undergoes a cascade of hormonal, structural, and physiological changes in the weeks after birth that affect almost every body system. Understanding what is normal helps women recognise when something needs medical attention and reduces the anxiety that comes from not knowing why they feel the way they do.

In the first 24-72 hours, dramatic hormonal shifts occur: oestrogen and progesterone drop sharply (triggering the 'baby blues' in approximately 80% of women around days 3-5), prolactin rises to support milk production, and oxytocin drives uterine contractions (felt as afterpains, which are often stronger in subsequent births as the uterus is more responsive). The uterus begins involuting (shrinking), returning from roughly the size of a watermelon to pre-pregnancy size over approximately 6 weeks.

Perineal healing after vaginal birth varies by degree of tearing or episiotomy. First-degree tears (skin only) typically heal within 2-3 weeks. Second-degree tears (involving muscle) usually heal within 4-6 weeks. Third and fourth-degree tears require more intensive repair and longer recovery — women with these injuries should receive specialist follow-up care. Pain, swelling, and difficulty sitting are common in the first 1-2 weeks and manageable with ice packs, pain relief, and pelvic floor exercises.

Going deeper on specific aspects: read our guides on postpartum anxiety signs, postpartum depression, postpartum body changes, postpartum nutrition, postpartum exercise, and postpartum hormonal changes.

The Pelvic Floor After Birth

The pelvic floor is the single most important area of postpartum physical recovery that is routinely under-addressed. Approximately 50% of women experience some degree of pelvic floor dysfunction after vaginal birth, including urinary leakage, pelvic heaviness or prolapse symptoms, or painful sex. These are common but not normal in the sense of being inevitable — most respond to pelvic floor physiotherapy.

Begin gentle pelvic floor exercises (contractions) as soon as comfortable after birth — within the first few days if possible. A referral to a pelvic physiotherapist at 6-8 weeks postpartum is recommended for all women after vaginal birth, and after caesarean (which still affects the pelvic floor during pregnancy). Many NHS trusts offer this; private pelvic physiotherapy is widely available where NHS access is limited.

• Begin pelvic floor contractions within days of birth
• See a pelvic physiotherapist at 6-8 weeks (all birth types)
• Don't return to high-impact exercise before pelvic floor is assessed
• Leaking urine is common but worth treating — it often resolves with physiotherapy

Warning Signs That Need Medical Attention

Most postpartum physical experiences are uncomfortable but normal. Some require prompt medical assessment. Seek immediate help for: heavy bleeding (soaking more than one pad per hour), large blood clots, fever above 38°C (which may indicate infection), severe or worsening abdominal pain, chest pain or difficulty breathing (possible pulmonary embolism — a postpartum risk), leg pain with swelling (possible deep vein thrombosis), or wound infection (redness, swelling, discharge from caesarean incision or perineal repair).

Frequently Asked Questions