In a vacuum-assisted birth, a doctor qualified in obstetric care helps deliver the baby with a suction cup on the head. The method is used only when vaginal birth is expected to be completed safely and there is a reason to assist or speed it up.
- Reasons include insufficient progress during pushing, exhaustion, a medical reason to avoid prolonged pushing or concerns about the baby's heart rate.
- The cervix must be fully open, the waters must have broken, and the head's position and descent must be sufficiently clear.
- The cup is attached by suction during a contraction. The doctor pulls in a controlled way along the birth canal while the person giving birth pushes.
- An episiotomy is sometimes needed. If the baby does not descend enough or the safe number of attempts has been reached, the procedure is stopped and forceps or a caesarean may be needed.
- Temporary swelling or bruising on the baby's head is common. Serious complications are rare, but parents receive instructions about what to watch for.
- Tears, an episiotomy, pain and temporary bladder or pelvic floor problems are more common for the mother than after spontaneous birth.
- After birth, ask for an explanation of the reason, what happened, effects on recovery and implications for another pregnancy.
Article status
- Version
- 1.0
- Purpose
- General medical information
- Sources consulted
- 6
Have you found an error or unclear information? Give feedback on this article.
General information, not personal medical advice
This article has been carefully prepared but may contain errors or become outdated as medical knowledge changes. It does not replace diagnosis, examination or treatment by your own GP. Always discuss personal questions and starting, stopping or changing medicines or treatments with your own GP.
For a life-threatening situation, call Ambulance 912. For urgent care outside office hours, call HAP 9252.
Read the full disclaimerYour response
Two anonymous questions
Did you find what you were looking for?
Do you now have a clearer idea of your next step?
Share article
Search by type of care, organisation, name or district.
