Does the television promote teen pregnancies?

Lauren asked..
"What is it that makes reality television so appealing to some people?
Why is there such a high incidence of teen pregnancy in the united states nowadays when birth control is cheap and easily accessible by most people?"

Lauren's blog was mostly in reference to the shows on MTV "Teen Mom" and "16 & Pregnant" and she hit some good points.

The television is a powerful instrument, and often times, shows influence viewers but in a negative sense.  The amount of teen pregnancies have increased since these shows have started to air on MTV, but I feel they should do the opposite.  Bringing a child into the world is something that no teen should have to deal with at that age, no matter how "mature" or "ready" they think they are.  Yet why does it happen?

I personally do not see what people get out of reality television- then again, I don't watch it often.  Some people do it for a mere time killer, and end up getting hooked to the show- most of the times it is of people making fools of themselves..
But as for the question pertaining to birth control.  Birth control is a substance that is easily obtainable nowadays, yet the percentage of teens that are sexually active do not have it.  My thought is, because they don't wish to tell their parents they are being sexually active so they just hide it from them and sneak around their back thinking condoms will be able to protect them 100%..

My question to you is how do you think the morals of people regarding sexuality/being sexually active has changed so much over time?  Back not too long ago, having sex before marriage was frowned upon, and now it seems like if you're a virgin past the age of 18, people in your age class look down on you!