<prompt> A 38 year old G3 P2 Presents with 10 weeks of amenorrhea, Her serum β - hcG level is 25,000 mIU mL, and her internal cervical os is closed. On USG, anechoic intrauterine area measures 40mm and adnexa are normal DiagnosisMissed abortionComplete abortionThreatened abortionComplete Hydatidiform mole  <response>: If crown Rump length is 6 mm - Missed abortionNo embryonic cardiac activity - Missed abortionMean gestational sac diameter 20 mm - Missed abortion. 