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Contraception, explained

UK-focused overview. Educational only — your GP or sexual-health clinic decides what's right for you. Try the starting-point quiz.

Combined pill

hormonal

How: Daily oestrogen + progestogen pill.

Effectiveness: ~91% typical use

Pros: Lighter, more predictable periods; can clear acne.

Things to know: Daily routine; small risk of blood clots; not for smokers over 35.

Mini pill (POP)

hormonal

How: Daily progestogen-only pill.

Effectiveness: ~91% typical use

Pros: Suitable when oestrogen isn't; ok with breastfeeding.

Things to know: Strict timing for some brands; irregular bleeding.

Injection (Depo)

hormonal

How: Progestogen jab every 12–13 weeks.

Effectiveness: ~94%

Pros: No daily routine; often stops periods.

Things to know: Can delay fertility return; bone density concerns long-term.

Implant

hormonal

How: Small rod under arm, 3 years.

Effectiveness: >99%

Pros: Fit and forget; reversible.

Things to know: Irregular bleeding; minor procedure to fit/remove.

Patch

hormonal

How: Weekly skin patch (oestrogen + progestogen).

Effectiveness: ~91%

Pros: No daily pill; visible reminder.

Things to know: Can be seen; same oestrogen risks as combined pill.

Vaginal ring

hormonal

How: Flexible ring inserted for 3 weeks.

Effectiveness: ~91%

Pros: Monthly, low maintenance.

Things to know: Insertion not for everyone; oestrogen risks.

IUS (hormonal coil)

hormonal

How: T-shaped device with progestogen, 3–8 years.

Effectiveness: >99%

Pros: Lightens or stops periods; long-acting.

Things to know: Fitting can be painful — ask for pain relief; spotting first months.

Copper IUD

non-hormonal

How: T-shaped copper device, 5–10 years.

Effectiveness: >99%

Pros: Hormone-free; long-acting; emergency option.

Things to know: Can make periods heavier; fitting pain.

External condom

barrier

How: Worn on penis; single use.

Effectiveness: ~82%

Pros: STI protection; no prescription.

Things to know: Can split; latex allergies.

🧤

Internal condom

barrier

How: Inserted into vagina; single use.

Effectiveness: ~79%

Pros: STI protection; partner-independent.

Things to know: Pricier; takes practice.

🛡️

Diaphragm / cap

barrier

How: Silicone dome with spermicide.

Effectiveness: ~71–88%

Pros: Hormone-free; used as needed.

Things to know: Fitting and timing required; no STI protection.

🌡️

Natural / fertility awareness

non-hormonal

How: Track temperature + cervical mucus + cycle.

Effectiveness: ~76–88%

Pros: Hormone-free; body literacy.

Things to know: Demands daily tracking and abstinence on fertile days.

♾️

Sterilisation

permanent

How: Surgical — tubal or vasectomy.

Effectiveness: >99%

Pros: Permanent, no upkeep.

Things to know: Not reversible; small surgical risks.

🚨

Emergency contraception

emergency

How: Pill (ulipristal / levonorgestrel) within 3–5 days, or copper IUD within 5 days.

Effectiveness: Varies; copper IUD most effective

Pros: Stops a single risk event.

Things to know: Not for routine use; doesn't protect STIs.

Before your appointment

  • Note any migraines, blood-clot history, smoking, breastfeeding, or current medications.
  • Decide your dealbreakers: hormone-free? Long-acting? Periods stopped?
  • Ask: "What pain relief is offered for IUD/IUS fitting?"
  • Ask: "How will this affect my mood and bleeding pattern?"