Every now and then I feel really weak and almost like I'm gonna pass out if I don't sit down.. and its not from heat cuz…

Could be your blood pressure. You're just making twice as much blood and sometimes it rushes. When that happens just sit down for a little while and sip some water. It works for me

I've been feeling like that since week 20 and I'm now 34 weeks apparently it's normal I've been to l&d maybe 15 times because of this & it's nerve wrecking like so your telling me even if I'm lying down in bed & I still feel like I'm gonna pass out is normal their response yep totally normal but I don't believe it's normal you know your body better than anyone else..

It happens quit often though:(

i started doing it daily around 15 weeks, it was because i wasnt getting enough protein though since im lactose intolerant and cant drink milk or cheese i had to start doubling up on meat

Ohhhh. I get plenty milk and meat and stuff so idk. I guess it's normal, it's just frustrating. It happens in the most inconvenient times. Like when I'm standing cooking