GPAtlas🧭 When to suspect
Suspect a request for permanent contraception when an individual or couple:
• States they have completed their family, or are certain they do not want (more) children.
• Asks for a one-off, definitive method rather than ongoing contraception.
GPs rarely do the procedure itself; they provide structured counselling:
• Confirming the decision is informed and free of coercion.
• Ensuring long-acting reversible contraception (LARC) has been genuinely considered.
• Making the correct referral.
Make sure they know that LARC is at least as effective as sterilisation. The progestogen implant and intrauterine methods (IUS/IUD) match or better the failure rate of female sterilisation, without surgery and without permanence.
Where a couple is choosing between the two operations, vasectomy is safer, quicker and more reliable than female sterilisation and is usually performed under local anaesthetic.
| Feature | Vasectomy (male) | Female sterilisation (tubal occlusion) |
|---|---|---|
| Anaesthetic | Local anaesthetic, day case | Usually general anaesthetic (laparoscopic) |
| Lifetime failure rate | ~1 in 2000 | ~1 in 200 |
| Effective when | After semen analysis confirms clearance (~12–16 weeks) | Immediately, but continue contraception until next period |
| Procedure risk | Lower – minor procedure | Higher – laparoscopy plus general anaesthetic |
| Reversal | Difficult, not NHS-funded | Difficult, not NHS-funded |
|
⚠️ Common pitfall • Presenting sterilisation as the "most permanent, therefore most effective" choice. • In reality the implant and IUS are as effective as – or more effective than – female sterilisation, are reversible, and carry no surgical or anaesthetic risk. • A request for sterilisation is an opportunity to revisit LARC fully, not to bypass it. |
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