 [ Symptoms ] what problems should i watch for in my second trimester of pregnancy [ Disease ] any of these symptoms could be a sign that something is wrong with your pregnancy do not wait for your prenatal visit to talk about it call your doctor right away if you experience severe abdominal pain or cramping bleeding severe dizziness rapid weight gain more than 6 5 pounds per month or too little weight gain less than 10 pounds at 20 weeks into the pregnancy