Definition of Fourth stage of labor
Fourth stage of labor: The hour or two after delivery when the tone of the uterus is reestablished as the uterus contracts again, expelling any remaining contents. These contractions are hastened by breastfeeding, which stimulates production of the hormone oxytocin.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Parenting and Pregnancy
Get tips for baby and you.
Pregnancy and Parenting Resources
- Your Guide to a Healthy Pregnancy
- Video: Dental Care and Pregnancy
- Pregnancy: What Does Insurance Cover?