prenatal

(noun)

During pregnancy, before birth.

Related Terms

Examples of prenatal in the following topics:

  • Prenatal Diagnostic Tests

    • Prenatal diagnosis and prenatal screening are methods for testing for diseases or conditions in a fetus or embryo before it is born.
    • There are three purposes of prenatal diagnosis:
    • The primary method for sex determination is prenatal ultrasound.
    • Diagnostic prenatal testing can be done by invasive or noninvasive methods.
    • Infer the type of prenatal diagnostic test that should be used in a particular case

  • Development of the Urinary System

    • The urinary system develops from the intermediate mesoderm during prenatal development.

  • Down Syndrome

    • Down syndrome can be identified in a baby at birth or by prenatal screening.
    • Many standard prenatal screens can discover Down syndrome.
    • Genetic counseling along with genetic testing, such as amniocentesis, chorionic villus sampling (CVS), or percutaneous umbilical cord blood sampling can be offered to families who may have an increased chance of having a child with Down syndrome, or where normal prenatal exams indicate possible problems.

  • Introduction to Pregnancy and Human Development

    • The prenatal offspring (also called the conceptus) is referred to as an embryo or fetus.
    • In many societies' medical or legal definitions, human pregnancy is somewhat arbitrarily divided into three trimester periods as a means to simplify reference to the different stages of prenatal development.

  • Muscular Dystrophy

    • However, mutations of the dystrophin gene and nutritional defects (with no genetics history) at the prenatal stage are also possible in about 33% of people affected by DMD.

  • Paranasal Sinuses

    • This process begins prenatally and continues through the course of an individual's lifetime.

  • Implantation

    • At this stage of prenatal development, the embryo is a blastocyst.

  • Erythroblastosis Fetalis (Hemolytic Disease of the Newborn)

    • The prenatal manifestations are known as hydrops fetalis; in severe forms this can include petechiae and purpura.
    • A direct test is performed on the newborn's blood, while the indirect test is performed during prenatal screening on the mother's blood, if indicated.

  • Embryological and Fetal Events

    • The development of the reproductive system is a part of prenatal development, and concerns the sex organs.

  • Congenital Adrenal Hyperplasia

    • CAH is a genetic disorder in which girls are masculinized because the adrenal glands secrete large amounts of androgen during prenatal development.