Fig. 1From: Spontaneous regression of quiescent gestational trophoblastic disease after pregnancy: a case reportPersistent low-level elevation of serum hCG after uterine evacuation of a hydatidiform mole. The low-level elevation of the hCG titer persisted for at least 2 years but became undetectable after pregnancy. The dotted line shows the cutoff value. The asterisk shows the first evacuation, and the triangle shows the second evacuationBack to article page