Getting scared

The internet can be a very bad thing. You read about others pregnancies, and when yours isn't exactly like theirs, you freak a little bit. When we went for our first ultrasound, the doctor saw two heartbeats and took measurements. I don't remember how fast they were, but I remember Baby B's was around 90bpm. Baby A's was much slower at like 65bpm...so according to these stupid internet sites, both pregnancies have a good chance of failing because their heart beats should be above 100. What if there wasn't an accurate reading, she only looked once for the heartbeat, said it was there, and had us listen. No real accurate measurement was taken. So why am I getting myself all worked up. I need to be more positive like Jason, but sometimes...you just get freaked out. Stupid internet.