herPILL · your contraception guide

Does the pill affect your fertility?

One of the most-searched worries about contraception — and one of the most reassuring answers. Here's what the UK evidence actually shows.

Manage your contraception
Evidence-basedNo long-term effectUK guidance
Reviewed by a GPhC-registered pharmacist6-minute readSources: NHS · BMJ · FSRH

If you've been on the pill for years, it's natural to wonder whether it's quietly affecting your chances of having a baby later. The short, evidence-backed answer: it isn't. Here's the detail behind that reassurance.

Watch: 1-minute explainer
Jawad Khan, Superintendent Pharmacist, on the pill and fertility · 67 seconds

01The myth vs the evidence

The worry: "Taking the pill for a long time will make it harder to get pregnant when I stop."
The evidence: There is no evidence that the pill causes any long-term drop in fertility — and crucially, how long you've taken it makes no difference. A large study pooling nearly 18,000 women found fertility returns within a few cycles regardless of how many years the pill was used.

Your natural cycle simply pauses while you're on the pill; it doesn't wear out. Once you stop, ovulation restarts — often quickly.

02How soon can you get pregnant after stopping?

Potentially straight away. You can ovulate in the days after your last pill, which is why it's possible to conceive in the very first cycle. Your periods may take a couple of months to settle into their natural rhythm, but you don't have to wait for that to happen before trying.

~83%
of women conceive within 12 months of stopping the pill — similar to the general population
Up to 3 months
for your natural cycle to fully settle back into its usual pattern
The combined pill and the mini pill are the same good news here. Neither causes a lasting fertility delay. (The contraceptive injection is the one method where fertility can take longer to return — that's separate from the pill.)

03What actually affects your chances

If getting pregnant takes longer than you hoped after stopping, the pill is very unlikely to be why. The real factors are the ones that affect everyone:

  • Age: natural fertility gradually declines from the late 20s onward — the single biggest factor for most people.
  • Underlying conditions: things like PCOS or thyroid problems can affect cycles, and the pill may have been masking irregular periods you had before.
  • General health: weight, stress, smoking and alcohol all play a part.

Because the pill can hide an irregular cycle, some people only notice an underlying issue once they stop. That's worth knowing — it's the condition, not the pill, at work.

If you've been trying for 12 months without success (or 6 months if you're over 36), it's worth speaking to your GP — not because of the pill, but so any other factors can be checked early.

04Quick answers

Should I finish my pack before trying to conceive?

You can stop at any point — there's no need to finish the pack. Some people finish it simply to keep track of timing. Use condoms if you'd like one natural period first to help date a pregnancy.

Does taking the pill for 10+ years matter?

No. Length of use does not affect how quickly fertility returns. Someone who took it for a decade and someone who took it for a year are in the same position when they stop.

Is it safe to get pregnant right after stopping?

Yes. There's no evidence that conceiving soon after stopping the pill carries any added risk to you or the baby. Taking folic acid before and in early pregnancy is recommended for everyone trying to conceive.

My periods haven't come back — should I worry?

It can take up to three months for cycles to settle. If your periods haven't returned after a few months, or were irregular before the pill, see your GP to check for any underlying cause.

Contraception that fits your plans

Whether you're staying on the pill or thinking ahead, a herPILL pharmacist can help you manage it — free on the NHS, delivered to your door.

Manage your contraception

Sources

  • NHS — Stopping contraception; combined pill; progestogen-only pill. nhs.uk
  • patient.info — Return of fertility after stopping contraception (UK clinical reference).
  • Yland J et al., The BMJ (2020) — pooled cohort of ~18,000 women (PRESTO / Snart Gravid) on return of fertility by contraceptive method.
  • Faculty of Sexual & Reproductive Healthcare (FSRH) — contraception and fertility guidance.

General information reviewed against current NHS and peer-reviewed evidence, not personal medical advice. Individual fertility depends on many factors including age and health. If you have concerns about conceiving, speak to your GP or a fertility specialist.