It could be related - a drastic change in your diet will affect lots of different things in your body.
I would strongly advise you not to continue with an all veg and fruit diet - it doesn't contain all the nutrients you need. You need to make sure you have protein, iron and calcium for example, and these are a lot harder to get if you are only eating veg and fruit. It's possible to get everything you need from a vegan diet (ie no animal products at all) but it does take a bit of work. If this is what you want to do, try the vegan forum as a good starting point.
www.veganforum.com
No. It does not act as the "Morning-After pill" When starting birth control you should wait at least a month before having unprotected intercourse.
Have you had unprotected sex? Then you can be pregnant.
By not having unprotected sex.
buy him some condoms!
In two healthy people, the chance of pregnancy after having regular unprotected sex for a month is high.
If you are just starting birth control you should wait at least a month before having unprotected sex. That is the safest way to go. If you really can't wait that long you should use condoms for 2 weeks.
As safe as having unprotected sex
You need to wait longer than one week before having unprotected sex. You cannot have unprotected sex until you have been on BCP for one complete cycle - once you receive your period after starting BCP, then you can have unprotected sex.
Lucky for you, no.
Having unprotected sex is very likely to get you pregnant.
Everyone can get AIDS, mostly by having unprotected sex with an infected person.
* Having unprotected sex * Blood transfusions * When a baby is in mother's womb