1 doctor weighed in:

Had sex without precautions past month, does pre-ejaculation can cause pregnancy? I missed my periods on 20th,pregnancy test result negative

1 doctor weighed in
Dr. Charles Whiting
Obstetrics & Gynecology

In brief: Yes

Pre-ejaculation can result in a pregnancy.
The good news is that in any given month of unprotected intercourse, the change of pregnancy is about 20%. If you usually have a period every month and you've missed your period, you might want to repeat the pregnancy test just to be sure or see your doc to have a blood pregnancy test. Best Wishes!

In brief: Yes

Pre-ejaculation can result in a pregnancy.
The good news is that in any given month of unprotected intercourse, the change of pregnancy is about 20%. If you usually have a period every month and you've missed your period, you might want to repeat the pregnancy test just to be sure or see your doc to have a blood pregnancy test. Best Wishes!
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