My girlfriend started taking the pill a few months ago, and we started having sex shortly thereafter. She is very worried now, which makes me worried also, but she's affraid to talk to anyone, so I will. She has lost her sex drive, is having mood swings, and seems to be gaining weight, especially around her stomach, she is affraid that she might be pregnant somehow. She still gets her period every month, but I know that sometimes you can be pregnant and still get your period. So I was just wondering what you all think? Could she be pregnant? And if so how can you tell if you're pregnant while on the pill, would any tests be accurate while on it?