When does the neural tube open?
Week 3
When does the neural tube close?
Week 4
When does a cleft lip/palate form?
Week 6
When can heart sounds be heard?
Week 10-12 with a doppler
How can you auscultate the heart sounds?
Weeks 16-20 with a fetoscope
What is quickening?
When the mother can detect fetal movements around week 16.
When can you tell the gender of the baby?
Week 20
When are fetus’ most susceptible to teratogens?
Week 8