All weeks

Trimester 1

Week 9

About the size of

a grape

~2.3 cm~2 g

Averages only: a scan is the only way to know your baby’s size.

Your baby this week

The basic body plan is complete. External sex organs have formed but are not yet distinguishable on a scan.

What you may feel

Breasts may have gone up a size and veins become more visible. Emotional swings are common and hormonal, not a character flaw.

This week, try

A supportive, well-fitted bra now will save you weeks of discomfort later.

Weeks are counted from the first day of your last period, as your care team counts them. Written by The Childhood Journal’s team from standard prenatal references. Not yet reviewed by a clinician: our scientific board is being formed. General information, never an assessment of your pregnancy.

Follow your own pregnancy, week by week

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