Symptoms and signs of fetal arrest Fetal arrest means that the embryo stops developing or cannot continue to survive during pregnancy. It generally occurs with a higher probability within the first three months of pregnancy. There are often no obvious signs of fetal arrest, but if the following conditions occur, you need to seek medical treatment in time: 1. Vaginal bleeding: fishy red or light red discharge, sometimes accompanied by mild abdominal pain or burning sensation. 2. Abdominal pain: Intermittent pain sometimes occurs in the abdomen, sometimes lasting for several hours or days. 3. Fatigue and dizziness: This may be caused by the decrease in progesterone levels in pregnant women, or it may be