Chapter 9 Obsterics and Neonatology

Gamete

Mature germ cell either sperm or ovum

Conception

Beginning of pregnancy where sperm enter ovum

Zygote

Cell formed by the union of the sperm and ovum

Embryo

Unborn offspring in the stage development from implantation of the zygote

Fetus

Unborn offspring from the beginning of the ninth week of pregnancy until birth

Gestation

Development of new individual from conception to birth (or pregnancy)

Gestation period

Duration of pregnancy normally 38 to 42 weeks or trimesters

Implantation

Embedding of the zygote in the uterine lining this process normally begins about 7 days after fertilization

Placenta

Structure that grows on the wall of the uterus during pregnancy

Amniotic sac

Membranous bag that surrounds the fetus before delivery

Chorion

Outermost layer of the fetal membrane

Amnion

Innermost layer of the fetal membrane

Amniotic fluid

Fluid within the amniotic sac which surrounds the fetus

Umbilicus

Navel or belly button marks sit of attachment to umbilical cord

Amni/o

Amnion, amniotic fluid

Amnion/o

Amnion, amniotic fluid

Choir/o

Chorion

Fet/I or fet/o

Fetus, unborn off-spring

Gravid/o

Pregnancy

Lact/o

Milk

Nat/o

Birth

Omphal/o

Umbilicus, navel

Par/o or part/o

Bear, give birth, labor, childbirth

Puerper/o

Childbirth

Episi/o

Vulva

Terat/o

Malformations

Ante-

Before

Nulli-

None

-amnios

Amnion, amniotic fluid

-cyesis

Pregnancy

-centesis

Surgical procedure to aspirate fluid

-tocia

Birth, labor

Amnionitis

Inflammation of the amnion

Chorioamnionitis

Inflammation of the chorion and amnion

Chorioncarinoma

Cancerous tumor of the chorion

Dystocia

Difficult labor

Hysterorrhexis

Rupture of the uterus

Oligohydramnios

Scanty amnion water

Polyhydramnios

Much amnion water

Pseudocyesis

False pregnancy

Abruptio placentae

Premature separation of the placenta from the uterine wall

Eclampsia

Severe complication and progression of preeclampsia

Ectopic pregnancy

Pregnancy occurring outside the uterus commonly in the fallopian

Placenta previa

Abnormally low implantation of the placenta on the uterine wall covering the cervix

Preclampsia

Abnormal condition encountered during pregnancy or shortly after delivery

Congenital

Present at Birth

Down Syndrome

Genetic condition caused by a chromosomal abnormality

Fetal Alcohol Syndrome

Condition caused by excessive alcohol consumption by the mother during pregnancy

Cesarean Section (C-Section)