• Disease

    Hearing loss - infants

    Hearing test

    Hearing loss is not being able to hear sound in one or both ears. Infants may lose all of their hearing or just part of it.

  • Disease

    HELLP syndrome

    Preeclampsia is the development of swelling, elevated blood pressure, sudden and rapid weight gain and protein in the urine during pregnancy. The exact cause is unknown, but it occurs in approximately 5% of the population.

    HELLP syndrome is a group of symptoms that occur in pregnant women who have: H — hemolysis (the breakdown of red blood cells) EL — elevated liver enzymes LP...

  • Disease

    Hemolytic disease of the newborn

    Erythroblastosis fetalis is a condition manifested by anemia that develops in an unborn infant when maternal antibodies, usually caused by Rh incompatibility between the mother's blood type and that of the fetus, attack the red blood cells of the fetus. An intrauterine transfusion of blood may be indicated.

    Hemolytic disease of the newborn (HDN) is a blood disorder in a fetus or newborn infant. In some infants, it can be life-threatening. This article provides...

  • Disease

    Hemorrhagic disease of the newborn

    Hemorrhagic disease of the newborn (HDN) is a bleeding disorder in babies. It most often develops shortly after a baby is born.

  • Special Topic

    Humidifiers and health

    Humidifiers help raise the level of humidity or moisture in the air. Increasing the humidity in the home helps eliminate the dry air that can irritate and inflame the respiratory passages in the nose and throat. Humidified air can relieve the discomfort of colds and the flu, and help people who suffer from asthma.

    Increasing the humidity in your home helps eliminate the dry air that can irritate and inflame the airways in your nose and throat. Humidified air can...

  • Disease

    Hydatidiform mole

    The uterus is a muscular organ with thick walls, two upper openings to the fallopian tubes and an inferior opening to the vagina.

    Hydatidiform mole is a rare mass or growth that forms inside the womb (uterus) at the beginning of a pregnancy. It is a type of gestational trophoblastic...

  • Disease

    Hydrops fetalis

    Hydrops fetalis

    Hydrops fetalis is a serious condition. It occurs when abnormal amounts of fluid buildup in two or more body areas of a fetus or newborn. It is a symptom of...

  • Disease

    Hyperemesis gravidarum

    Hyperemesis gravidarum is extreme, persistent nausea and vomiting during pregnancy that can lead to dehydration.

  • Disease

    Hyperglycemia - infants


    Hyperglycemia is abnormally high blood sugar. The medical term for blood sugar is blood glucose. This article discusses hyperglycemia in infants.

  • Disease

    Hyperviscosity - newborn

    Blood is comprised of red blood cells, platelets, and various white blood cells.

    Hyperviscosity of the newborn is the slowing and blockage of blood flow. It occurs when there are too many red blood cells in an infant’s blood.