 [ Symptoms ] i am almost 19 and my period has never regulated i generally get it every 2 to 4 months should i be worried  i first got my period when i was 14 i have always been slender despite regular healthy eating habits and hardly any real exercise i have never weighed more than 115 pounds my weight normally fluctuates between 110 and 115 depending on the season i have taken medication for both depression and add since 7th grade so my stressanxiety levels are fairly normal i also have slightly low blood iron but i am not anemic mostly i am worried i will never be able to have kids what should i do [ Disease ] generally you should eat the same healthy diet that most people should eat meaning plenty of fruits and vegetables lean protein lean meat beans low fat dairy and complex carbs whole wheat bread and pasta oatmeal brown rice sweet potatoes if appetite is a problem try to eat smaller meals and snacks more frequently throughout the day keep your snacks simple such as yogurt with fruit low fat cheese or nuts one of the most important things is to make sure you are getting the calories and nutrients you need meal replacement drinks can be a good option too for some people who have had their gallbladders removed diarrhea can be an issue eating more fiber can help with that pay attention to whether or not dairy foods make your diarrhea worse if so switch to lactose free dairy products