Baby by Week
Week 23

Your week 23 guide

Movement is stronger and the fetus may react to changes in light.
Trimester

2

Month

6

Weeks left

17

Size at a glance

Comparison
Papaya
Length
20 cm crown to rump
Weight
1.1 lb
Measurements are approximate. Healthy babies grow at different rates.

Baby development

Kicks and whole-body movement become easier to notice.
Developing senses allow a response to bright light.
Lung blood vessels and balance systems continue maturing.

Your body

Hot flashes, foot or ankle swelling, frequent urination, and back or pelvic aches can occur.
Braxton Hicks contractions may feel like brief, irregular tightening.
Dry or blurry eyes can accompany hormonal changes.

This week's checklist

Ask about the timing of gestational-diabetes screening.
Review parental leave and practical support options.
Keep water, comfortable shoes, and movement breaks within reach.

Call your care team

Contact your maternity team for bleeding, fluid leakage, painful regular contractions, fever, or painful urination.
Seek urgent help for severe headache with vision changes, sudden swelling, chest pain, fainting, or severe abdominal pain.

Medical information, not medical advice

Every pregnancy is different. Use this guide for general education and follow the advice of your own maternity care team. Do not delay urgent care because of something you read here.