10 Weeks Pregnant: Things to Avoid
At 10 weeks, your baby's organs are largely formed and development is shifting from rapid structural growth to refinement and growth in size — which is exactly why food, lifestyle, and medication safety still matter so much this week. Here's a clear rundown of what to steer clear of and why.
Food and drink to avoid
Certain foods carry a higher risk of bacteria or parasites that can affect a developing pregnancy, so it's worth being deliberate about what's on your plate.
- Avoid unpasteurised milk and soft mould-ripened or blue-veined cheeses (like brie, camembert, and stilton) unless they're cooked thoroughly, as they can carry listeria.
- Skip raw or partially cooked eggs unless they carry the British Lion mark, and avoid raw or undercooked meat, including cured meats like salami and chorizo unless frozen first or cooked through.
- Limit high-mercury fish such as shark, swordfish, and marlin, and cap tuna intake in line with NHS guidance, as mercury can affect the developing nervous system.
- Steer clear of pâté of any kind, including vegetable pâté, and avoid alcohol entirely — there's no known safe amount during pregnancy.
Lifestyle habits to avoid
Some everyday habits are worth adjusting for the rest of your pregnancy, not just this week.
- Avoid smoking and vaping, both of which are linked to complications including low birth weight; ask your midwife or GP about free NHS stop-smoking support if you need it.
- Avoid hot tubs, saunas, and very hot baths, as raising your core body temperature significantly in early pregnancy is best avoided.
- Be cautious with over-the-counter medications and supplements — always check with your pharmacist, GP, or midwife before taking anything you haven't already discussed, including some herbal remedies.
- Avoid contact sports and activities with a high risk of falls or abdominal impact, such as horse riding, skiing, or scuba diving.
Frequently Asked Questions
Can I exercise at 10 weeks?
Yes, moderate exercise is not only safe but encouraged during pregnancy, provided you don't have complications your midwife has flagged. Walking, swimming, pregnancy yoga, and low-impact strength work are all good options, aiming for around 150 minutes of moderate activity a week if you're able. Avoid contact sports, hot yoga or hot Pilates, and any activity with a significant risk of falling or being hit in the abdomen.
Is sex safe at 10 weeks?
For most pregnancies, sex is safe throughout, including at 10 weeks, unless your midwife or doctor has specifically advised against it — for example, if you have a low-lying placenta or a history of certain complications. If you experience bleeding, pain, or have any concerns, it's always worth checking with your midwife rather than guessing. There's no evidence that sex causes miscarriage in an otherwise straightforward pregnancy.
Do I need to avoid caffeine completely at 10 weeks?
No, complete avoidance isn't necessary — current UK guidance recommends limiting caffeine to no more than 200mg a day during pregnancy, which is roughly one mug of instant coffee plus some allowance for tea or chocolate. It's worth remembering that caffeine appears in more places than just coffee, including cola, energy drinks, and some medications, so it's easy to underestimate your total intake. If you're unsure how much you're having, keeping a rough daily tally for a few days can be a useful check.
This article is for informational purposes only and does not constitute medical advice.
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