In first trimester vaginal bleeding, which type of abortion is defined by an open cervical os with no products of conception expelled?

In first trimester vaginal bleeding, which type of abortion is defined by an open cervical os with no products of conception expelled?

• A. Threatened
• B. Inevitable
• C. Incomplete
• D. Complete

Answer: (B)

In first-trimester miscarriage, the key distinction is what the cervix is doing and whether tissue has passed. An open cervical os with no products of conception expelled means the pregnancy tissue is still inside the uterus but the cervix has begun to dilate, indicating abortion is progressing but not yet completed. This describes inevitable abortion. In contrast, a closed cervix with bleeding but no tissue passage is a threatened abortion. If some tissue has already passed and the cervix is open, that’s an incomplete abortion. If all tissue has passed, making the uterus empty and the cervix closed, that’s a complete abortion.

In first-trimester miscarriage, the key distinction is what the cervix is doing and whether tissue has passed. An open cervical os with no products of conception expelled means the pregnancy tissue is still inside the uterus but the cervix has begun to dilate, indicating abortion is progressing but not yet completed. This describes inevitable abortion.

In contrast, a closed cervix with bleeding but no tissue passage is a threatened abortion. If some tissue has already passed and the cervix is open, that’s an incomplete abortion. If all tissue has passed, making the uterus empty and the cervix closed, that’s a complete abortion.