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  1. Placenta - Wikipedia

    In humans, a thin layer of maternal decidual (endometrial) tissue comes away with the placenta when it is expelled from the uterus following birth (sometimes incorrectly referred to as the …

  2. Placenta: How it works, what's normal - Mayo Clinic

    Mar 8, 2024 · The placenta is an organ that forms in the womb, also called the uterus, during pregnancy. The placenta is connected to a developing baby by a tubelike structure called the …

  3. What Is the Placenta — and How Does It Help Your Baby Grow?

    The placenta is your baby’s lifeline. This pancake-shaped organ connects your baby to your body via the umbilical cord, delivering nutrients, oxygen, and removing waste — all while keeping …

  4. Placenta: Purpose, Anatomy, Function & Complications

    The placenta is a temporary organ that forms in your uterus during pregnancy. It attaches to your uterine wall and provides nutrients and oxygen to the fetus through the umbilical cord.

  5. The placenta: What it is and how it works - BabyCenter

    May 30, 2025 · The placenta is a pancake-shaped organ that develops within the wall of your uterus and connects to your baby though the umbilical cord. By the end of pregnancy, it grows …

  6. Placenta: Its Role and Complications - Verywell Health

    Mar 13, 2025 · What Is the Placenta? The placenta is a temporary organ that develops in the uterus during pregnancy. It connects the uterus to the developing baby and performs many …

  7. Human Placenta Project: How Does the Placenta Form?

    Human Placenta Project: How Does the Placenta Form? The following illustrations show how the human placenta develops. The timeline of placental development illustrates how the placenta …

  8. Placenta | Human & Animal Development | Britannica

    Dec 27, 2025 · Biological tests for pregnancy depend upon the production by the placenta (the temporary organ that develops in the womb for the nourishing of the embryo and the …

  9. Behind Every Healthy Baby is a Healthy Placenta

    A healthy placenta is the single most important factor in producing a healthy baby. The placenta, which is in fact part of the fetus, is critical for all aspects of pregnancy from implantation to …

  10. What Is the Human Placenta and What Does It Do?

    Jul 19, 2025 · The human placenta is a temporary organ that grows during pregnancy, attaching to the uterine wall to serve as a lifeline between the mother and fetus. This organ performs the …