Afterbirth (noun)

1. The placenta and membranes expelled from the uterus after the birth of a mammal, especially a human or domestic animal.
2. The material that is expelled from the uterus after birth.

Origin:

Derived from the old english word æftrbere, meaning 'what is born after'.

Examples:

1. The afterbirth was examined to ensure that it was complete.
2. The afterbirth can be discarded or saved for examination.
3. Afterbirth is a source of stem cells that can be used in research.
4. She experienced excessive bleeding after giving birth, which was due to a retained afterbirth.
5. The afterbirth serves as a source of nutrition for the newborn during the first few days.