Why breast cancer can be harder to detect during and after pregnancy

Pregnancy-associated breast cancer affects about one in every 3,000 pregnancies, as outlined by the American Cancer Society. Diagnosing the condition during this time is difficult because normal hormonal changes cause breasts to swell, feel lumpy, and become dense, which can hide a tumour or lead doctors and patients to mistake a lump for normal pregnancy changes. Dr Mahavir Tadaiya, a consultant surgical oncologist specialising in advanced cancer surgeries and evidence-based oncological care, explained that breasts become bigger, denser, sore, and lumpy during pregnancy and while breastfeeding. These normal shifts make it hard to spot a tumour. Women after giving birth also frequently think a new lump, pain, or change is part of breastfeeding, milk production, or mastitis, leading to risky delays in seeing a doctor. Dr Tadaiya stressed that a breast lump should never be ignored even during pregnancy or breastfeeding, and urged women not to panic but to consult a health professional. Specific symptoms that require immediate medical attention include a lump that does not go away, a change in the shape or size of the breast, changes in the skin, an inward-pulling nipple, strange nipple discharge, and any area around the breast that feels different. Breast imaging tests like ultrasound or mammograms can be safely done when needed during pregnancy and breastfeeding, and a doctor will choose the right test based on the situation.

Context

Postpartum and pregnancy-related health changes often mimic the signs of serious conditions, making early medical evaluation essential. Health professionals use safe screening tools to differentiate between normal bodily transitions and medical concerns that require prompt treatment.