Pregnancy Week 9 — Baby Development, Size & What to Expect

Week 9 of pregnancy — 1st trimester. Baby is the size of a grape 🍇, approximately 2.3cm long and weighing 2g. Officially a foetus. Eyelids fused. Tongue forming. Muscles moving. 22% of the 40-week journey complete, 31 weeks remaining.

PREGNANCY WEEK 91st TRIMESTER

🍇

grape

baby is about the size of a grape

WEEK

9

of 40

LENGTH

2.3cm

crown to rump

WEIGHT

2 g

approximate

Progress22% complete
Wk 11st Trimester (Weeks 1–12)Wk 40

31 weeks remaining · Officially a foetus. Eyelids fused. Tongue forming. Muscles moving.

WEEK 9 — BABY'S DEVELOPMENT

1ST TRIMESTER · Weeks 1–12

Officially a foetus. Eyelids fused. Tongue forming. Muscles moving.

HOW YOU MAY FEEL

Nausea often peaks around weeks 8-10. Emotional sensitivity common.

WEEK 9 KEY FACTS

Gestational age

Week 9

Trimester

1st (T1)

Baby length

2.3cm

Baby weight

2 g

Progress

22% complete

Weeks left

31 weeks

FREQUENTLY ASKED QUESTIONS

What happens at week 9 of pregnancy?

At week 9 of pregnancy (1st trimester):\n\nBaby development: Officially a foetus. Eyelids fused. Tongue forming. Muscles moving.\n\nBaby size: grape 🍇\nLength: approximately 2.3cm (crown to rump)\nWeight: approximately 2g\n\nPregnancy progress: 22% complete (31 weeks remaining)\n\nGestational age is counted from the first day of your last menstrual period (LMP), not from conception. Week 9 begins on day 57 and ends on day 63 from your LMP.

RELATED CALCULATORS

MORE PREGNANCY CALCULATORS

Was this calculator helpful?

Pregnancy week 9 · 1st trimester · Baby size: grape 🍇 · 2.3cm · 2 g · Sources: ACOG, WHO fetal growth data