I hope your friend is okay. Does she still feel the baby moving? My friend also fell while she was pregnant in her third trimester. She actually tripped on the stairs and probably fell 5 -7 steps. It was really bad because it hit her belly twice. A few hours later, there was huge bruises all over so we suggested her to get a look from the doctor. Luckily, her baby was sound and safe as the bub's protected by lots of fluid and also the fat from our bellies, just like an extra pillow in between. Her daughter is now 3 years old! I am sure your friend is okay, but it's better to get it check out when in doubt!