What should you know about body odour after pregnancy?

Pregnancy and the period after birth can alter sweating, skin moisture, and the way normal skin bacteria break down sweat. Night sweats, breastfeeding-related temperature changes, stress, reduced sleep, and tighter or damp clothing may make odour more noticeable. Odour itself is not a diagnosis.

The smell may come from the underarms, groin, feet, scalp, or clothing rather than from sweat alone. A rash, soreness, scaling, discharge, fever, or a sudden change in smell can point to a skin problem or another condition and deserves a clinical assessment.

Wash gently, dry skin folds carefully, change damp clothing, and choose breathable fabrics. Apply deodorant or antiperspirant to clean, completely dry skin, following its label. Avoid harsh scrubbing and fragranced products on irritated skin. If you are breastfeeding or taking medicines, mention this before starting a medicated product.

If sweating remains disruptive, a clinician may discuss [Prescription Antiperspirant](/treatments/medical-dermatology/prescription-antiperspirant/) or [Botox For Sweating](/treatments/injectables/botulinum-toxin-for-hyperhidrosis/). For broader context, see [Body Odour](/symptoms/body-odour/).

See a clinician if odour persists despite careful washing and dry clothing, returns suddenly, or comes with a rash, pain, open skin, fever, unusual discharge, or marked sweating. Seek urgent help for fever with rapidly spreading redness, severe pain, or feeling acutely unwell.

Ask whether the change fits postpartum sweating, whether a rash or infection is present, and which products are suitable while breastfeeding. Discuss medicines, thyroid or metabolic symptoms, and whether treatment should target sweating, skin bacteria, or both.