First Trimester

Pregnancy Week 11

Your baby is about the size of a lime 🍋external genitalia developing.

Week 10Week 11 / 40Week 12
🍋

Size comparison

Lime

Length

4.1 cm

Weight

7 g

Milestone

External genitalia developing

About 29 weeks to go until your due date (week 40).

Baby's development at week 11

The fetus is fully formed — now it's all about growth and maturation. Tooth buds are in place. The head is still proportionally large, about half the body length.

You may start to feel more like yourself as the placenta takes over hormone production.

Common symptoms at week 11

Nausea starting to ease for manyIncreased appetiteSkin changes

Eat more of

  • Folic acid (leafy greens, fortified cereals)
  • Iron-rich foods (lentils, spinach)
  • Calcium (dairy, fortified plant milk)
  • Vitamin B6 (bananas, avocados)
  • Whole grains

Foods to avoid

  • Alcohol
  • Raw/undercooked meat or fish
  • High-mercury fish (shark, swordfish)
  • Unpasteurised dairy
  • Excess caffeine (>200 mg/day)
  • Raw sprouts

Medically reviewed by First OPD Medical Team. Last reviewed on .

Based on average milestones from World Health Organization (WHO), ACOG, NHS UK. Educational only — not a substitute for personalised medical advice.

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