15 Apr Sometimes, women will wonder if they already are having pregnancy symptoms the day after they have unprotected sexual intercourse

Taking into account how long sperm survive and the time it takes for fertilization and implantation, you can be pregnant as soon as seven days after you had sex or as long as 15 days.

They may "feel pregnant," but those feelings are not related to any possible fertilization or pregnancy. You won't have actual pregnancy signs or symptoms until after implantation occurs.

Reasons You're Not Getting Pregnant

Even if your doctor has reassured you that it may take six months to a year to conceive, you might be wondering why it's not happening quickly for you. Here are some possibilities. ? ?

• Luck. So much must happen for ovulation, fertilization, and implantation to occur, and for the embryo to be healthy and genetically stable.