pregnancy-trimesters

Pregnancy trimesters

How your body and your developing baby change trimester by trimester

The stages of pregnancy

what-happens-in-the-first-trimester

Trimester one

The first trimester – weeks 0 to 13 – will probably be the most life-changing your life. You're going to be a mum! 

what-happens-in-the-second-trimester

Trimester two

The second trimester covers weeks 14 to 26. You'll see lots of changes in you and your baby

what-happens-in-the-third-trimester

Trimester three

The third trimester of your pregnancy covers weeks 27 to 40. Be patient, the wait is nearly over! 

Today's most read

  1. Top 100 boys names
  2. Top 100 girls names
  3. Baby name generator
  4. Your MAT B1 form: The lowdown
  5. When should I go on maternity
  6. What early pregnancy symptoms could I experience that I wouldn’t expect?
  7. Finding out the sex of your baby
  8. 10 sure fire signs labour is on its way
  9. What does it mean when my baby’s head is engaged?
  10. What to pack in your hospital bag

Baby Name Search

Search by letter

Search by

Join Bounty in a few steps...

Join other partner brands
XXXXXXXXXXXX

...more

TESTCOREG2

I have read and agreed to Ickle Bubba's T&Cs and Privacy Policy.

By joining Team Bubba you give your explicit consent for us to pass the personal details you provided us with during your Bounty registration, including your due date, to Ickle Bubba. You agree that they may use this information to complete your membership to Team Bubba and contact you with personalised communications and offers....more

TESTCOREG000

I have read and agreed to Ickle Bubba's T&Cs and Privacy Policy.

By joining Team Bubba you give your explicit consent for us to pass the personal details you provided us with during your Bounty registration, including your due date, to Ickle Bubba. You agree that they may use this information to complete your membership to Team Bubba and contact you with personalised communications and offers....more

Sign up to HuggiesⓇxx Wipes for handy tips and advice, plus the chance to win a 6-month supply of HuggiesⓇ Baby Wipes

I have read and agreed to Huggies® T&Cs and Privacy Policy.

By joining the Huggies® Wipes newsletter, you provide us with consent to pass the personal details you provided us with during your Bounty registration, including your due date, to Huggies®. You agree that they may use this information to complete your registration and contact you with emails and offers....more

Join Team Bubba - You could win a Travel System worth £499*

I have read and agreed to Ickle Bubba's

T&Cs and Privacy Policy.

By joining Team Bubba you give your explicit consent for us to pass the personal details you provided us with during your Bounty registration, including your due date, to Ickle Bubba. You agree that they may use this information to complete your membership to Team Bubba and contact you with personalised communications and offers....more

Join KidStart to get FREE savings for your baby + £5 bonus

I have read and agreed to KidStart's Terms & Privacy Policy.

By joining KidStart, you provide us with consent to pass the personal details you provided us with during your Bounty registration, including your due date, to KidStart. You agree that they may use this information to complete your registration and contact you with emails and offers....more

Join M&P AND ME, the Mamas & Papas exclusive Parenting Club

I have read and agreed to Mamas & Papas T&Cs and Privacy Policy.

By joining the Mamas & Papas Community you give your explicit consent for Bounty to pass the personal details you provided during your Bounty registration, including your due date to Mamas & Papas. You agree that they may use this information to complete your Mamas & Papas Community membership and to receive updates about your pregnancy journey....more

Tapping Create Bounty account indicates that you have read and agree to the Bounty Terms and Conditions, Privacy Policy and Cookie Policy.

bounty-logo

Join TODAY and download the Bounty APP to get personalised support through pregnancy and beyond

  • £20 Mamas & Papas voucher*
  • Week-by-week baby development emails
  • Hospital appointment schedule
  • Free vouchers and discounts
  • Baby growth tracker
  • Expert advice
*minimum spend applies

You're all set.

All you need to do is log in to the Bounty Pregnancy & Baby App, to get personalised week-by-week information on your child's development, vouchers relevant for you, expert advice and access to our great Hospital appointment schedule tool.

Download the Bounty Pregnancy & Baby App: