I had this issue with my first child but it wasn't as bad as with number two. I am having constant headaches daily and if I am sitting or laying I'm fine but if i stand or walk to long I feel like I'm gonna pass out or I need to sit down. My first child this happened maybe a handful of times and with this one it's every day. I don't know if the difference is this one is a girl and my first was a boy. Comments please!