In the books i have been reading it says the doctor hearing the heart beat can depend on where your plasenta is placed. If the baby is behind the plasenta it is harder to get the reading on the babies heart beat.. And if the baby is facing your back it is a little harder to hear too.. My son is facing my back now and i could barely hear his.. It all depends on the position.
I bought a fetal doppler when I was about 8 weeks. I ordered it online, but I heard you can get them in stores. It will give you a little piece of mind. But if your last period was in September, that would make you 4-5 months already. You definately need to get prenatal care and make sure you and baby are healthy. And the fact that you can feel movements, is a very good sign. 4-5 months is about the time you would feel them. So I'm sure you're okay (: But you and the baby need care.
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