Complications of Pregnancy Flashcards
What is a teratogen?
Any factor, chemical or physical, that adversely affects the fertilized ovum, embryo or fetus
What is any agent that can induce or increase the incidence of a congenital malformation?
Teratogen
During what weeks of embryonic life is the fetus vulnerable to injury caused by teratogens?
Second to eighth weeks
During what trimester does the potential for harm of teratogens decrease?
Last/third trimester
What happens if a teratogen is introduced before implantation?
Either the zygote is destroyed or it appears unaffected
Lead and mercury affects what tissue?
Attacks and disables nervous tissue
What is thalidomide (immunoprin)?
Orignally used to treat nausea in pregnancy, now prescribed for cancer therapy, and it may cause limb defects
What deficiencies and deformities does Tetracycline (Apo-Tetra) cause?
tooth enamel deficiencies and long bone deformities
What are the most commonly attacked organs of the Rubella Virus?
eyes, ears, heart, and brain
This is caused by intraerythrocytic protozoa of the genus Plasmodium transmitted to humans
Malaria
What mosquito transmits Malaria to humans?
female Anopheles mosquito
What does TORCH mean?
TO - Toxoplasmosis
R - Rubella
C - Cytomegalovirus
H - Herpes simplex virus
A protozoan infection that is spread most commonly through contact with uncooked meat, but also through cat stool
Toxoplasmosis
A woman who is not immunized for Rubella before pregnancy __________ ____ immunized during pregnancy
cannot be
After a rubella immunization, a woman is advised _____ ___ become pregnant for ___ _________ until the rubella virus is no longer active
not to; 3 months
All pregnant women should avoid contact with children with ________
rashes
Not sexually transmitted but spreads from person to person by droplet infection such as occurs with sneezing
Cytomegalovirus
This virus can cause extensive damage to a fetus while causing few symptoms in a woman
Cytomegalovirus
Congenital anomalies or spontaneous miscarriage may occur
HSV during 1st trimester
High incidence of premature birth, intrauterine growth retardation, & continuing infection of the newborn birth
HSV during 2nd or 3rd trimester
___________ ____________ cannot cross the placenta when cytotrophoblast layer of chorionic villi is still intact
Treponema Pallidium
The cytotrophoblast layer atrophies at ____ to ___ week
16th to 18th week
If Syphillis is left untreated beyond 18th week…
HCOF
Hearing Impairment
Cognitive Challenge
Osteochondritis
Fetal death
What is Hutchinson teeth?
oddly shaped primary teeth
Infection with _________ _____ during early pregnancy is associated with fetal death
parvovirus B19
Parvovirus B19 infection during late pregnancy may cause _________ ___________ and ___________ ________ disease
severe anemia; congenital heart disease
Lyme Disease, a multisystem disease caused by the spirochete ___________ _____________, is spread by the bite of a _________ __________
Borrelia Burgdorferi; deer tick
