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Operational Obstetrics & Gynecology

Labor and Delivery

Watch a Video Showing a Normal Delivery or Cesarean Section

Labor	Contractions	Electronic Fetal Monitors
Latent Phase Labor	Fetal Heart Rate	Pain Relief
Active Phase Labor	Urine	Second Stage Labor
Progress of Labor	Estimated Fetal Weight	Preparing for Delivery
Delivery of the Baby	Dilatation and Effacement	Managing the Delivery
Delivery of the Placenta	Fetal Orientation	Episiotomy
Managing Labor and Delivery	Leopold's Maneuvers	Anesthesia
Initial Evaluation	Fetal Membranes	Clamp the Cord
History	Blood Count	The Placenta
Risk Factors	Early Labor	Uterine Massage
Vital Signs	Monitor the Fetal Heart	Post Partum Care

Delivery of the Placenta

Immediately after delivery of the baby, the placenta is still attached inside the uterus. Some time after delivery, the placenta will detach from the uterus and then be expelled. This process is called the "3rd stage of labor" and may take just a few minutes or as long as an hour.

Signs that the placenta is beginning to separate include:

A sudden gush of blood
Lengthening of the visible portion of the umbilical cord.
The uterus, which is usually soft and flat immediately after delivery, becomes round and firm.
The uterus, the top of which is usually about half-way between the pubic bone and the umbilicus, seems to enlarge and approach the umbilicus.

Immediately after the delivery of the baby, uterine contractions stop and labor pains go away. As the placenta separates, the woman will again feel painful uterine cramps. As the placenta descends through the birth canal, she will again feel the urge to bear down and will push out the placenta.

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Operational Obstetrics & Gynecology - 2nd Edition
The Health Care of Women in Military Settings
CAPT Michael John Hughey, MC, USNR
NAVMEDPUB 6300-2C
January 1, 2000

This web version of Operational Obstetrics & Gynecology is provided by The Brookside Associates Medical Education Division. It contains original contents from the official US Navy NAVMEDPUB 6300-2C, but has been reformatted for web access and includes advertising and links that were not present in the original version. This web version has not been approved by the Department of the Navy or the Department of Defense. The presence of any advertising on these pages does not constitute an endorsement of that product or service by either the Department of Defense or the Brookside Associates. The Brookside Associates is a private organization, not affiliated with the United States Department of Defense. All material in this version is unclassified.

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