BMJ Group Mar 26 2025 New mums should be strongly encouraged to begin clocking up at least two hours of moderate to vigorous intensity physical activity such as brisk walking and muscle strengthening exercises each week in the first three months after birth, when physically able, to improve health and well-being, say experts in a new guideline published by the  British Journal of Sports Medicine. They also strongly recommend daily pelvic floor muscle training to reduce the risk of urinary