Uterine atony
Uterine atony happens when the uterus fails to contract firmly after a baby is delivered. Normally, the uterus squeezes down tightly after birth to compress the blood vessels where the placenta was attached. When it stays relaxed or floppy instead, those vessels bleed freely, leading to heavy blood loss. It is the most common cause of postpartum haemorrhage (PPH). Risk factors include a long labour, a large baby, twins, or having had many previous births. Midwives and doctors treat it with uterine massage, oxytocin, and other medications to help the uterus clamp down and stop bleeding.
What This Means for You
Understanding Uterine atony is an important part of your after birth journey. When preparing for birth, understanding this term helps you discuss your birth preferences with your midwife or OB-GYN and know what to expect in the delivery room.
Explore our Birth & Labour guideGood to Know
In Singapore hospitals such as KKH and NUH, a slow oxytocin infusion is routinely given after delivery to reduce the risk of uterine atony. Alert your care team immediately if bleeding seems unusually heavy in the hours after birth.
Source: https://www.acog.org/womens-health/dictionary
Always consult your healthcare provider for personalised advice.
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