What it means
Right after birth the top of the uterus (fundusFUN-dusThe rounded top or base of a hollow organ, most often the top of the uterus.Full entry ) is about at the level of the navel. It then drops about 1 cm (one finger-width) a day and can no longer be felt above the pubic bone after about two weeks; involution is complete by about six weeks. Firm contractions of the uterus drive it and also prevent heavy bleeding.
For the nurse
Check the fundus for height, firmness and position, and note the lochiaLOH-kee-uhThe vaginal discharge of blood, mucus and tissue from the uterus after childbirth.Full entry . A full bladder pushes the uterus up and to one side and slows involution, so help the client empty it. Breastfeeding helps the uterus contract.
At a glance
| Also written | uterine involution, involuting |
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Related terms
postpartum
The time after giving birth, usually the first six weeks, while the body returns to its non-pregnant state.
postpartum hemorrhage
Heavy bleeding after birth: a total blood loss of 1,000 mL or more, or blood loss with signs of low blood volume, within 24 hours.
fundus
The rounded top or base of a hollow organ, most often the top of the uterus.
uterine atony
Weak or absent tightening of the uterus muscle after childbirth.
lochia
The vaginal discharge of blood, mucus and tissue from the uterus after childbirth.