Sometimes precum or prostatic fluid, secreted prior to ejaculation, causes pregnancy
in very low percentage and it depends on fertile days or ovulation time. Chance is 15-27%.
Here, you need to wait for next coming period and if it is missed, you have to undergo one home pregnancy test with urine initially. Repeat pregnancy test may be needed to confirm the same. Following test report, you need to consult with gynecologist for next management.
Try to avoid stress
, take healthy diet and practice safe sex
in future to avoid unwanted pregnancy.