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  1. Childbirth - Wikipedia

    Childbirth, also known as labour (or labor in American English), parturition, and delivery, is the completion of pregnancy, where one or more fetuses exits the internal environment of the …

  2. Childbirth | Stages of Labor | Effacement | MedlinePlus

    Jun 16, 2025 · Childbirth is the process of having a baby. Learn about the 3 stages of labor, and how you can prepare, tell if you are in labor, and manage the pain.

  3. Stages of Labor & Types of Childbirth Delivery - WebMD

    Nov 15, 2024 · Labor is the body’s natural process of childbirth. It lasts on average 12 to 24 hours for a first birth. Usually, labor is shorter for births after that. Labor happens in three stages.

  4. Stages of labor and birth: Baby, it's time! - Mayo Clinic

    Jul 23, 2024 · Labor is a natural process. Here's what to expect during the stages of labor and birth — along with some tips to make labor more comfortable. Labor is a unique experience. …

  5. Birth | Definition, Stages, Complications, & Facts | Britannica

    Dec 19, 2025 · Despite decades of research, the events leading to the initiation of labour in humans remain unclear. It is suspected that biochemical substances produced by the fetus …

  6. Stages of Labor: What To Expect During Labor & Delivery

    In general, the three stages of labor are: Healthcare providers may call this “normal labor.” They use this definition and the stages to communicate effectively with each other and you. Just …

  7. Labor and birth - Office on Women's Health

    Sep 26, 2025 · Soon, you'll experience the amazing process of childbirth! Find out how to spot the signs of labor, and get the facts on pain management, cesarean delivery.

  8. How Long Does Childbirth Take? Understanding the Stages of …

    Nov 6, 2025 · Childbirth, also known medically as parturition, is the process of delivering a baby from the uterus. Labor begins when contractions start helping your cervix thin (efface) and …

  9. Phases of Childbirth: What Are the 4 Stages of Labor? - MedicineNet

    Nov 18, 2025 · The 4 stages of labor are: dilation of the cervix, delivery of the baby, afterbirth, and recovery. Learn more about what to expect during each stage of childbirth.

  10. Stages of Labor: First, Second, and Third - Verywell Health

    Nov 18, 2025 · There are three stages of labor: contractions, childbirth, and delivery of the placenta. The first stage of labor is the longest and involves your cervix dilating to 10 …