What are the symptoms and signs of fetal arrest at nine weeks of pregnancy? Pregnancy is a very important event in the family, but many uncertainties during pregnancy can also bring great insecurity to women. Fetal arrest in early pregnancy has a great psychological and physical impact on women. In order to detect the problem as early as possible, women should understand the symptoms and signs of fetal arrest in the ninth week of pregnancy. 1. Dull pain in the belly. Dull pain in the belly in early pregnancy.