Types of Miscarriage

Threatened 

• Vaginal bleeding
• Closed cervical os
• Fetal cardiac activity

Missed

• No vaginal bleeding
• Closed cervical os
• No fetal cardiac activity or empty sac

Inevitable

• Vaginal bleeding
• Dilated cervical os
• Products of conception may be seen or felt at or above cervical os

Incomplete 

• Vaginal bleeding
• Dilated cervical os 
• Some products of conception expelled and some remain

Complete

• Vaginal bleeding or none
• Closed cervical os 
• Products of conception completely expelled