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Summary
When you are ready to have your baby, you'll go through labor. Labor is the process of giving birth. Signs that you might be going into labor include:
- Contractions that are regular then start to come closer together
- Leaking fluid or bleeding from the vagina
- Low, dull backache
- Abdominal cramps
Call your health care provider if you have any of these signs, even if it is before your due date. Preterm labor can start before 37 completed weeks of pregnancy.
Labor happens in three stages. The first stage begins with contractions. It continues until your cervix has become thinner and dilated (stretched) to about 4 inches wide. The second stage is the active stage, in which you begin to push downward. Crowning is when your baby's scalp comes into view. Shortly afterward, your baby is born. In the third stage, you deliver the placenta. The placenta is the organ that supplied food and oxygen to your baby during pregnancy.
Mothers and babies are monitored closely during labor. Most women are able to have a baby through normal vaginal delivery. If there are complications, the baby may need to be delivered surgically by a Cesarean section.
NIH: National Institute of Child Health and Human Development
Diagnosis and Tests
- Contractions and Signs of Labor (March of Dimes Foundation)
- Cord Blood Testing and Banking (National Library of Medicine) Also in Spanish
- Monitoring Baby's Heart Rate during Labor (American Academy of Family Physicians) Also in Spanish
- Water Breaking: Understand This Sign of Labor (Mayo Foundation for Medical Education and Research) Also in Spanish
Treatments and Therapies
- Dealing with Pain during Childbirth (Nemours Foundation) Also in Spanish
Related Issues
- Apgar Scores (American Academy of Pediatrics) Also in Spanish
- Birthing Classes (American Academy of Family Physicians) Also in Spanish
- Elective Deliveries Before 39 Weeks: Is It Worth It? (American Academy of Pediatrics)
- Where Should I Have My Baby? (Nemours Foundation) Also in Spanish
- Why at Least 39 Weeks Is Best for Your Baby (March of Dimes Foundation)
Specifics
- Assisted Vaginal Delivery (American College of Obstetricians and Gynecologists)
- Cesarean Section: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish
- Epidurals (Nemours Foundation)
- Episiotomy: When It's Needed, When It's Not (Mayo Foundation for Medical Education and Research) Also in Spanish
- Induction of Labor at 39 Weeks (American College of Obstetricians and Gynecologists)
- Labor Pain (American Society of Anesthesiologists)
- Natural Childbirth (Nemours Foundation) Also in Spanish
- What if My Baby Isn't Born by My Due Date? (Nemours Foundation) Also in Spanish
Images
- Epidural - series (Medical Encyclopedia) Also in Spanish
- Episiotomy - series (Medical Encyclopedia) Also in Spanish
- Vaginal birth - series (Medical Encyclopedia) Also in Spanish
Statistics and Research
- FastStats: Births - Method of Delivery (National Center for Health Statistics)
- PeriStats: Perinatal Statistics (March of Dimes Foundation)
Clinical Trials
- ClinicalTrials.gov: Delivery, Obstetric (National Institutes of Health)
- ClinicalTrials.gov: Labor, Obstetric (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
- Article: Effects of tranexamic acid preconditioning on the incidence of postpartum haemorrhage...
- Article: Effect of an Intrapartum Pelvic Dilator Device on Levator Ani Muscle...
- Article: Minimizing tearing during vaginal delivery with a perineal protection device: a...
- Childbirth -- see more articles
Find an Expert
- Accredited Birth Centers (Commission for the Accreditation of Birth Centers)
- Department of Health and Human Services, Office on Women's Health Also in Spanish
- How to Find Find an Ob-Gyn (American College of Obstetricians and Gynecologists)
Patient Handouts
- Am I in labor? (Medical Encyclopedia) Also in Spanish
- Assisted delivery with forceps (Medical Encyclopedia) Also in Spanish
- Delivery presentations (Medical Encyclopedia) Also in Spanish
- Epidural block - pregnancy (Medical Encyclopedia) Also in Spanish
- Episiotomy (Medical Encyclopedia) Also in Spanish
- Questions to ask your doctor about hospital care after delivery (Medical Encyclopedia) Also in Spanish
- Questions to ask your doctor about labor and delivery (Medical Encyclopedia) Also in Spanish
- Spinal and epidural anesthesia (Medical Encyclopedia) Also in Spanish
- What to bring to your labor and delivery (Medical Encyclopedia) Also in Spanish
- Your baby in the birth canal (Medical Encyclopedia) Also in Spanish