is it possible to get pregnant and still have your periods? because i ve been gaining weight and having these pregnancy symptoms and my stomache is been twitching, feel very tired at all times, going to washroom every 5,10 mins..my breasts are sore and tender weird food cravings , lower stomache pains like cramps , my back is so sore hungry every hour headaches nausea and periods are regular twitchy feeling on my stomache, never took a pregnancy test yet!