Nurs 306 - OB Week 1
1. :
2. Risk factors
--mother over 35, father over 40
--multiple miscarriages
Perinatal genetic testing
Termination or maintain pregnancy
Nurses roles: Genetic Testing
3. agents, such as chemicals and viruses, that can reach the embryo or fetus
during prenatal development and cause harm **crosses the blood-brain bar-
rier
Drugs
Alcohol
Infections --reubella
weeks 1-8 highest risk: Teratogens
4. warfarin, heparin, lovanox: not pregnancy safe blood thinners
5. ACE inhibitors
----go to -->ARBS, Betablockers
cause kidney defects in baby: antihypertensives not good for pregnancy
6. can not be safe, weigh risks of removing and consider tapering off: SSRIs
in prenancy
7. A group of birth defects caused by the effects of alcohol on an unborn child
6 drinks or more per day: fetal alcohol syndrome
8. : fetal development chart
9. Ovarian cycle
-follicular phase
-ovulatory phase
-luteal phase
1/8
, Nurs 306 - OB Week 1
Endometrial cycle
-proliferative phase
-secretory phase
-menstrual phase: menstrual cycles
10. Fertilization
-zygote
cell division
-cleavage
-mitotic division
-morula
-blastocyst
-multiple gestations
implantation: conception
11. embryonic stage
organogenesis
primary germ layers
-ectoderm
-mesoderm
-endoderm
heart formation: embryonic development
12. fetal circulation
-ductus venosus
-foramen ovale
-ductus arteriosus: fetal development
13. passageway between the aorta and the pulmonary artery re mains open
after birth: patent ductus arteriosus
14. special vessels and circulation present in fetus;
includes de-O2 blood in umbilical arteries coursing to placenta, and O2 nutri-
ent-rich blood via umbilical veins: fetal circulation
15. fetal tissue
maternal tissue
function of placenta
2/8
1. :
2. Risk factors
--mother over 35, father over 40
--multiple miscarriages
Perinatal genetic testing
Termination or maintain pregnancy
Nurses roles: Genetic Testing
3. agents, such as chemicals and viruses, that can reach the embryo or fetus
during prenatal development and cause harm **crosses the blood-brain bar-
rier
Drugs
Alcohol
Infections --reubella
weeks 1-8 highest risk: Teratogens
4. warfarin, heparin, lovanox: not pregnancy safe blood thinners
5. ACE inhibitors
----go to -->ARBS, Betablockers
cause kidney defects in baby: antihypertensives not good for pregnancy
6. can not be safe, weigh risks of removing and consider tapering off: SSRIs
in prenancy
7. A group of birth defects caused by the effects of alcohol on an unborn child
6 drinks or more per day: fetal alcohol syndrome
8. : fetal development chart
9. Ovarian cycle
-follicular phase
-ovulatory phase
-luteal phase
1/8
, Nurs 306 - OB Week 1
Endometrial cycle
-proliferative phase
-secretory phase
-menstrual phase: menstrual cycles
10. Fertilization
-zygote
cell division
-cleavage
-mitotic division
-morula
-blastocyst
-multiple gestations
implantation: conception
11. embryonic stage
organogenesis
primary germ layers
-ectoderm
-mesoderm
-endoderm
heart formation: embryonic development
12. fetal circulation
-ductus venosus
-foramen ovale
-ductus arteriosus: fetal development
13. passageway between the aorta and the pulmonary artery re mains open
after birth: patent ductus arteriosus
14. special vessels and circulation present in fetus;
includes de-O2 blood in umbilical arteries coursing to placenta, and O2 nutri-
ent-rich blood via umbilical veins: fetal circulation
15. fetal tissue
maternal tissue
function of placenta
2/8