We can only put the laboratory tests into context if we have an accurate gestational age. Since her LMP is unreliable (totally unknown), we need an ultrasound to date her pregnancy. The most common cause of an abnormal MSAFP is wrong dates.
Increased AFP can be due to
1) neural tube defects
2) abdominal wall defects
3) multiple gestations
Do an ultrasound to r/o (3)
submitted by โbwdc(697)
We can only put the laboratory tests into context if we have an accurate gestational age. Since her LMP is unreliable (totally unknown), we need an ultrasound to date her pregnancy. The most common cause of an abnormal MSAFP is wrong dates.