Why would you use a vacuum to suck bub out?
If 2nd stage is taking ageees, which is when you're fully dilated, so that's >10cm. It should normally take 2 hours for a new mom, or 1 hour for a mom who's previously given birth. If an epidural is being used we allow for an extra 1 hour. Or if bub is distressed. Or if mom has any illness where pushing for a long time or bearing down is risky to her health.
Method
Woman is placed in the lithotomy position, and assists by pushing
Suction cup is placed onto the head of the baby, and the suction draws the skin from the scalp into the cup. It si important to correctly place the cup directly over the flexion point, about 3cm anterior from the occipital/posterior fontanelle
The device has handles to allow for traction
When the baby's head is delivered, the device is detached
Advantages
Episiotomy may not be required
Mother still takes an active role in the birth
No special anesthesia is required
Force applied to the baby can be less than that of a forceps delivery, and leaves no marks on the face
Less potential for maternal trauma, compared to forceps and C section
Contraindications
Breech position
Premature births
Patient information
When wouldn't you use a vacuum to suck bub out?
If bub's foot is coming out first. Or if bub is super young.
Complications
Chignon, a temporary lump on its head
Cephalohematoma
Subgaleal hemorrhage
Prognosis
Generally safe
Can have negative effects on either the mother or child
If it fails, delivery may be required by forceps or C section
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