# 10 Weeks Pregnant: Baby Size, Symptoms & What to Expect | Clever Mum > 10 weeks pregnant — your baby is the size of a strawberry. What's developing, what you might feel, and what to focus on this week. * [ Home ](/) * › [ Pregnancy ](/pregnancy/) * › [ Week by week ](/pregnancy/week/) * › Week 10 First trimester # 10 weeks pregnant Your baby is about the size of a strawberry [ CP ](/authors/parenting-desk/) By [ Clever Mum Parenting ](/authors/parenting-desk/) · Parenting guides Published 11 July 2026 Quick answer — What happens at 10 weeks pregnant? At 10 weeks pregnant, your baby is about the size of a strawberry, roughly 3.1cm and around 4g. Vital organs are formed and now maturing. Who should skip this Skip this page if you need personal medical advice — it is general NHS-aligned information, not a substitute for your midwife. If your baby's movements slow or change, call your maternity unit, not a website. ## How big is the baby at 10 weeks pregnant? At 10 weeks pregnant, your baby is about the size of a strawberry, roughly 3.1cm and around 4g. Vital organs are formed and now maturing. Tiny nails are starting to grow and the webbing between fingers and toes is disappearing. The head is still large relative to the body. These are typical averages — your midwife's measurements are the ones that matter for your pregnancy. ## What might you feel at 10 weeks? Most people at 10 weeks notice some mix of the symptoms below — and plenty notice none of them. Blood volume is climbing steadily, which can cause dizziness — stand up slowly. Some notice their gums bleed more easily; pregnancy affects oral health. None of this is a diagnosis; contact your midwife if something worries you. ### Common symptoms this week * Dizziness when standing quickly * Bleeding gums * Visible veins on chest and breasts * Mild bump beginnings Symptom lists are typical, never exhaustive — and having none of them is normal too. ## What should you do at 10 weeks pregnant? The useful job this week is practical, not medical. Book your NHS dental care — it's free during pregnancy and for a year after birth. Gum disease is more common in pregnancy. Pair it with the NHS week-by-week guide if you want a second description of the same stage. ### Week 10 checklist * Apply for your maternity exemption certificate (free prescriptions and dental care) via your midwife or GP * Book a dental check-up — it's free in pregnancy and for a year after birth ## What else is useful at 10 weeks? Use the week page for size and symptoms; use the guides below for the decisions that actually sit in this window — pay, packing, car seats, labour signs. * [Due date calculator](/tools/due-date-calculator/) * [Trimester to-do list](/pregnancy/pregnancy-to-do-list-by-trimester/) * [Maternity leave and pay](/pregnancy/maternity-leave-and-pay-uk/) ## 10 weeks pregnant: common questions Are prescriptions free during pregnancy? Yes — with a maternity exemption certificate (MatEx), all NHS prescriptions and NHS dental treatment are free during pregnancy and for 12 months after your due date. Your midwife or GP applies for it; keep the certificate with you for pharmacy visits. How big is my baby at 10 weeks pregnant? At 10 weeks, your baby is approximately the size of a strawberry, about 3.1cm and around 4g. These are approximate averages — every baby grows at its own pace. What's happening at 10 weeks pregnant? Vital organs are formed and now maturing. Tiny nails are starting to grow and the webbing between fingers and toes is disappearing. The head is still large relative to the body. For you: blood volume is climbing steadily, which can cause dizziness — stand up slowly. some notice their gums bleed more easily; pregnancy affects oral health. Which trimester is 10 weeks? 10 weeks pregnant is in the first trimester. The first trimester runs to the end of week 12, the second from weeks 13 to 26, and the third from week 27 to birth. ## Sources & further reading * [ You and your baby at 4 to 40 weeks pregnant ](https://www.nhs.uk/pregnancy/week-by-week/) — NHS * [ Your baby's movements ](https://www.nhs.uk/pregnancy/keeping-well/your-babys-movements/) — NHS [← 9 weeks](/pregnancy/week/9/) [All weeks](/pregnancy/week/) [11 weeks →](/pregnancy/week/11/) This is general information, not medical advice — every pregnancy is different. For anything that worries you, and for all your antenatal care, speak to your midwife or GP. If your baby's movements ever slow down or change, contact your maternity unit immediately, day or night. Reviewed August 2026. ## Week 10 at a glance Trimester First trimester Baby size strawberry Approx length ~3.1cm Approx weight ~4g Weeks to go 30 (to 40) Work out your dates Not sure how many weeks you are? Our [due date calculator](/tools/due-date-calculator/) maps your weeks and trimester dates from your last period.