Vacuum extraction

a technique used to facilitate childbirth using a suction device to help move the baby through the birth canal
Found on http://www.medichecks.com/glossary.cfm?ltr=V

vacuum extraction

removal of the uterine contents by application of a vacuum, done either for delivery of a viable fetus or for an abortion.
Found on http://www.encyclo.co.uk/local/21001

Vacuum extraction

A procedure used as an alternative to forceps
Found on http://www.whattoexpect.com/pregnancy/glossary/v.aspx
No exact match found