I know a woman who had some bleeding during her pregnancy which she thought was her period. She was really scared as she didn't expect this. However, after a series of tests, it was found that it was due to a minor cervical irritation which was not a threat to the pregnancy. She remained calm, followed the doctor's advice religiously. She did light exercises, ate a balanced diet, and got enough rest. Her pregnancy was successful, and she had a beautiful baby girl. This shows that even if you experience something like a period during pregnancy, it doesn't always mean there is a problem.
Some women may experience light bleeding during pregnancy which can be mistaken for a period. One success story could be a woman who had this light bleeding early in pregnancy. She was initially worried but when she consulted her doctor, she found out that it was implantation bleeding. Her pregnancy continued smoothly and she gave birth to a healthy baby. It was a success in the sense that she didn't let the initial scare stop her from having a positive pregnancy experience.
There are cases where a woman might have what seems like a period during pregnancy due to hormonal fluctuations. For example, a woman had a very light 'period - like' spotting throughout her first trimester. She was constantly monitored by her doctor. It turned out to be normal for her body. She took extra care, ate well, and stayed positive. In the end, she had a normal delivery and a healthy child. So, this was a success story of dealing with this unusual situation during pregnancy.