 [ Symptoms ] i had unprotected sex 10 days ago when can i take a pregnancy test also i have not felt myself for the last 6 days i have had nad nausea headaches felt light headed and a butterfly sentation in my stomach whats the chances i am pregnant [ Disease ] when trying to conceive we first recommend avoiding lubricants and trying to maximize your own natural lubrication through longer periods of arousal before intercourse if that is not sufficient preseed has been studied to have minimal effects on sperm motility mineral oil and canola oils also have some support from research trials 