Modes of deliveryFree in the app
Types of forceps & vacuum
Which instrument for which situation.
Source: RCOG GTG 26 · textbooksForceps
| Wrigley’s | Short, light — outlet births and CS head delivery. |
|---|---|
| Neville-Barnes / Simpson | Non-rotational — low/mid-cavity OA. |
| Kielland’s | Rotational (minimal pelvic curve, sliding lock) — OP/OT. |
| Piper’s | After-coming head of breech. |
Vacuum
| Soft silicone cup | Easy OA outlet/low births. |
|---|---|
| Metal cup | Anterior (OA) or posterior (OP/OT) — higher success, more scalp marks. |
| Kiwi OmniCup | Disposable, all positions incl. rotational. |
Vacuum A–J
- A — Ask for help, Address patient, Anaesthesia
- B — Bladder empty
- C — Cervix fully dilated
- D — Determine position; think Dystocia
- E — Equipment ready
- F — Flexion point (3 cm in front of posterior fontanelle)
- G — Gentle traction with contractions
- H — Handle up in a J-curve
- I — Incision (episiotomy?)
- J — Jaw visible: remove cup
A summary for trained clinicians. Always check the full guideline, the patient in front of you and your hospital's protocol. Spotted an error? Tell us.