A 17-year-old female presents to the office with concerns of possible pregnancy. History reveals she had unprotected intercourse with multiple partners over the past six months. Physical examination of the abdomen reveals the uterus at the level of the umbilicus. A pregnancy test is obtained and is positive. The most likely gestational age of the fetus is
- 2 weeks
- 6 weeks
- 12 weeks
- 16 weeks
- 20 weeks