Question 1
The embryonic period lasts from the ____ to the ____.
◦ 1st week; 4th week
◦ 3rd week; 8th week
◦ 6th week; 16th week
◦ 12th week; 32nd week
Question 2
The fetal period ends at birth. When does it begin?
◦ 4 weeks after conception
◦ 9 weeks after conception
◦ 12 weeks after conception
◦ 15 weeks after conception