Ardms obgyn davies exam - Study guides, Class notes & Summaries

When does the first trimester begin? -Correct Answer Begins with the first day of the woman's last menstrual period (lmp) and ends 10 weeks later. Marks the point when all organ systems have been differentiated and are in place and the embryo has become a fetus. -Correct Answer The end of the first trimester Occurs 14 days after the first day of menstrual period. -Correct Answer Ovulation Determines the beginning of pregnancy in clinical obstetrics. -Correct Answer The first day of t...