I'd been quite fortunate to not have any leg cramps this pregnancy. That was until today. I woke up with the worst pain in my knee that radiated down my calf. I've never had a cramp like that before. It felt like my knee was broken or dislocated. Terrible.pain. finally worked it out and went back to sleep, only to wake a little later with the same thing in the opposite leg. Ugh... 33wks down, 7 to go