The first month can be through blood HCG, urine pregnancy test, menopause performance to confirm pregnancy. The first month of pregnancy is still relatively short, 10 days from coitus go to the hospital to draw blood to check HCG, the test results are greater than the reference value on the report card, indicating that the possibility of women pregnant is relatively large. 14 days after the distance from the coitus to take the morning urine with the pregnancy test paper pregnancy test results out of the negative is not pregnant, the test results out of the weak positive results of the possibility of pregnancy, but can not be sure, the test results out of the positive indicates a high likelihood of pregnancy. Through the above two test results are pregnant, accompanied by the performance of the menstrual period after coitus pause does not come, basically can confirm that the woman is pregnant, the menstrual period according to the normal time, to consider the previous test results have the possibility of error. Generally in about 6-8 weeks of pregnancy to go to the hospital for ultrasound examination, see the uterine cavity of the pregnancy sac can also determine pregnancy.