Gynaecology & Obstetrics Bleeding that follows paial or complete placental separation and dilation of the cervical os in first 20 weeks is termed as A Threatened aboion B Complete aboion C Incomplete aboion D Preterm labor 💡 Explanation Bleeding that follows paial or complete placental separation and dilation of the cervical os in first 20 weeks is termed as ✓ Correct Answer: C. Incomplete aboion