Your doctor will advise a pregnancy test after two weeks of insemination to confirm pregnancy and declare the IUI treatment successful. If you take the pregnancy test too soon, you can get inaccurate results like, False-negative The pregnancy hormone needs to reach an optimal level to be identified in the home pregnancy test. The pregnancy hormone reaches the optimal level after 14 days of insemination. If you take the test too soon, you might get a negative result even if you’re pregnant. False-positive Ovulation inducing medications like HCG can lead to a false-positive result even when you are not pregnant. It is advised to take the pregnancy test again in case of a negative result. You can discuss the next mode of fertility treatment with your gynaecologist if your IUI was unsuccessful.