Fetal Growth & Development Flashcards
Which technique is used to measure growth from 7-13 wks?
Crown-rump length
How can uterine expansion be measured?
Symphysis-fundal height
Why is an ultrasound taken at 20wks?
The structures are big enough at this point to be properly visualised and identify any abnormalities
What is the biparietal diameter?
The distance between the parietal bones of the fetal skull used to date pregnancies in T2/3
Name 2 other methods of measuring growth besides BPD
Abdominal circumference and Femur length
What is an average birth weight?
3500g
What part of the lungs forms in weeks 8-16?
Pseudoglandular stage, brochioles
What part of the lungs forms in weeks 16-26?
Canalicular stage, respiratory bronchioles
What part of the lungs forms in weeks 26-term?
Terminal sacs, alveoli as well as differentiation of type 1 and 2 pneumocytes
What medication is given to the mother to mature a baby’s lungs if born early ?
Glucocorticoids
What week does fetal kidney function begin?
week 10
What is the word for too much or too little amniotic fluid?
too much = polyhydramnio
too little =oligohydramnios
What month of pregnancy does myelination of the brain begin?
9
What week of pregnancy is the mother aware of fetal movement?
17