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6 weeks pregnant – pregnancy week by week

6 weeks pregnant week-by-week pregnancy calendarFirst of all, congratulations on your pregnancy.

There’s nothing quite like the feeling of finding out you’re pregnant.

It is the start of a wonderful (although, to be honest, sometimes uncomfortable) time in your life as well as the first step on your parenting journey.

We wish you all the best for the months (and years!) to come. xx

6 weeks pregnant – development guide

Your body

As your body goes through major hormonal changes, you will find you tire easily and, for many women, are highly emotional. These are just some of the early signs of pregnancy – you could also be noticing that your breasts are tender, your sense of smell borders on bionic and you pee a whole lot more often!

Pregnancy body week six

Your uterus is changing, but is still smaller than a tennis ball.

Unfortunately, you may also be suffering from morning sickness (and discovering that it can come at any time of the day). There are a number of morning sickness remedies you can try and it is recommended that you eat small amounts frequently, have plenty of rest and get plenty of fresh air.

Your baby

Even at this early stage, your baby is busy developing. Sized approximately 5-10mm and still called an embryo, baby’s heart is already beating (at a rate almost double yours!).


The spine has finished developing and the brain is beginning to develop.

As the baby’s shape and spine is curved for most of the next 3 months, the measurement of the baby’s size is taken from the top of the head or crown, down to their bottom or rump.

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3 things to do when you’re six weeks pregnant

Get your dates right

Did you know that for the first two weeks of pregnancy the baby hasn’t even been conceived? Yes, sounds odd, but pregnancy weeks are calculated from the first day of your last period. To make sure you’re counting your weeks correctly and to get an idea of your due date check out our due date calculator.

Decide who to tell and when to tell them

You might have already told a few people but many people choose to wait until they safely reach the end of the first trimester before they make the big announcement.

Join a due date group on our forum

Having some support and a place to ask questions is invaluable but hard to come by if you’re keeping your pregnancy under wraps for now. Join a due date group on our forum and chat anonymously with other women at the same stage of pregnancy.

ThIS content is meant as a guide only. If you find anything worrying or unsettling, or experience any bleeding or spotting, contact your local GP, obstetrician or an emergency healthcare provider immediately.

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Pregnant for the first-time?

Not sure where to start? We can help!

Our Insider Programs for pregnancy first-timers will lead you step-by-step through the 14 Pregnancy Must Dos!