Prenatal Flashcards
___ chromosomes are contained in each mature sperm cell
23
Produced by 2 separate egg cells being fertilized
Fraternal twins
Usually takes place in the Fallopian tube
Fertilization
The opening to the Uterus is called the__________
Cervix
The fetus grows inside of the __________.
Uterus
The gene carries the______________________________.
Inherited trait
The ________ trimester is the most critical for fetal development.
First
A______________ gene will produce a certain trait if it is transmitted by both parents. (Carriers)
Recessive
Birth defects in which the trait for the defects is carried by the female, but shows up in the male.
Sex-linked defects
A test done during pregnancy, by inserting a needle through the abdominal wall, into the uterus to withdraw some amniotic fluid from the amniotic sac.
Amniocentesis
When chromosome 21 occurs as a triplet rather than as a pair.
Down Syndrome
The birth defect often characterized by a split in the tissue between the upper lip and nose, or a split in the roof of the is _______________.
Cleft palate/ cleft lip
_________ is caused by heavy drinking and can cause mental retardation and physical abnormalities.
Fetal alcohol syndrome
The pattern of birth defects caused by excessive or steady alcohol consumption during pregnancy is_________________.
Fetal alcohol syndrome
Twins that develop from a single fertilized egg that divided after fertilization.
Identical twins
The __________ trimester of pregnancy is when any medicine/drug taken by the mother will have the greatest effect on the developing baby.
First
The recommended optimum age of range for a woman to have a child is________.
20-35
___________ is an early sign of pregnancy, and _______ is a common symptom of pregnancy.
Sore breasts, and frequent urination