At 2 weeks pregnant, you're actually not pregnant yet. Your baby at week 2 of pregnancy This results in genetically identical children of the same sex.
At 2 weeks pregnant, symptoms of ovulation can clue you in on the best time to have sex and hopefully conceive a baby. You're probably ovulating if you notice.
Experts all agree that penetrative sex during early pregnancy will not cause a miscarriage; so if you do suffer a miscarriage, it will not have.
So, in medical terms then, when you are 2 weeks pregnant, most probably Increased sex drive: Your body is ready to procreate and will do.