How long after having sex do you start to experience pregnancy?

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By this I mean the early signs of pregnancy like vomiting and such.. ? Like how long after havin sexual intercorse do you experience it.. ? & what other side affects are there.. ?

As soon as you feel like doing it with your bf again!
I never felt sick my whole pregnancy lucky me it is really different with everyone
around the time your period is due !
http://www.tinyprints.com/pregnancy-symptoms-early-signs.htm
that says some of the times different things start happening
2-3 weeks, or some people don’t start experiencing symptoms until they reach 5 months. That is when the embryo begins to place itself among th uterus. Once the embryo has settled the rest of the organisms inside you adjust to its presence, and thus the symptoms begin.
Main symptoms of pregnancy are: nauseia, vomiting, sore/tender breasts, and fatigue. Other symptoms include: dizziness, bone weakness, teeth hurting, weight-gain, and cravings.
Hope this helped.