• Harsh Environment Theory

    Often cited as a reason for the effectiveness of Doula care, the Harsh Environment Theory proposes that the psychosocial environment has fundamental effects on women’s childbirth experience, and aspects of birth room design indirectly influence […]

  • Hemorrhage

    Hemorrhage is the medical term for bleeding. This is blood escaping from the circulatory system. Bleeding can occur internally, where blood leaks from blood vessels inside the body, or externally, either through a natural opening such as the mouth, nose, ear, urethra, vagina or anus, or through a break in the skin.

  • Hormone

    A hormone is any member of a class of signaling molecules produced by glands that are transported by the circulatory system to target distant organs to regulate physiology and behavior. The most commonly mentioned hormones in pregnancy are Human chorionic gonadotropin (hCG), Progesterone, Estrogen, Relaxin, and Oxytocin.

  • Hydrocephalus

    Hydrocephalus is a congenital birth defect in which excessive fluid gathers in the baby's skull.