🤰 Pregnancy week by week

6 Weeks Pregnant: Baby Size, Development & Symptoms

Your baby is about the size of a lentil.

By Cushies Editorial Team · 2 min read · Updated 6 September 2026

Baby's size	About the size of a lentil
Length	about 6 mm
Weight	under 1 g
Trimester	First trimester, month 2

Your baby this week

The heart starts beating and can sometimes be seen on an early scan. Buds that become arms and legs appear.

Your body this week

Morning sickness often begins around now, and it can happen at any time of day.

Tip of the week

Small, frequent meals and dry snacks can help with nausea.

Quick answers

How big is my baby at 6 weeks?

About the size of a lentil: around 6 mm long and under 1 g.

How many months is 6 weeks pregnant?

6 weeks is in month 2 of pregnancy, in the first trimester.

This article is general information, not medical advice. If you are worried about your health or your baby's, please talk to your doctor.

Keep reading

Pregnancy Diet: What to Eat in Each Trimester

A practical Indian pregnancy diet guide covering key nutrients, foods to include and foods to avoid in each trimester.

2 min read

Hospital Bag Checklist for Mum and Baby

What to pack for delivery, for you, your baby and your birth partner, and when to have the bag ready.

2 min read

Signs of Preterm Labour and What to Do

How to recognise the warning signs of labour before 37 weeks, who is at higher risk, and when to go to hospital.

2 min read

For shops, hospitals & brands

Stock or make baby diapers with Cushies

Wholesale, private label and hospital supply, with clear prices.

Get a quote Baby diaper manufacturer