Fetal Conditions Flashcards
Functional and anatomic closure of ductus venosus
Functional- 10-96 h
Anatomical- 2-3 weeks
Functional and anatomic closure of ductus arteriosus
Functional 10-12 hrs
Anatomical 2-3 weeks
Remnant of ductus venosus
Ligamentum venosum
Remnant of umbilical artery
Umbilical ligament
Remnant of umbilical vein
Ligamentum teres
Bronchial branching happens during
16-26 weeks (canalicular)
Terminal sac stage is during
26 weeks
In early pregnancy, amniotic fluid is composed of
Ultrafiltrate of plasma
Normal amniotic fluid volume during 34-36 weeks is
1 liter
Small palpebral fissure Thin vermilion border Smooth philtrum Railroad track ears Hockey stick palmar creases ASD, VSD, conotruncal heart defect Microcephaly
Fetal alcohol syndrome
Drug that can cause nephrotoxicity and ototoxicity
Aminoglycosides
Gray baby syndrome
Chloramphenicol
Can cause hypoplastic left heart syndrome when used in the 1st trimester
Nitrofurantoin
Can cause ancencephaly, left ventricular outflow obstruction, choanal atresia and diaphragmatic hernia in the 1st trimester
Sulfonamides
Drug that can cause nasal hypoplasia
Warfarin