Your baby is now officially an embryo and is about the size of a poppy seed.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/4-weeks-pregnant/ for more information.
Local Maternity and Neonatal System
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Professionals
Primary care is an important part of pregnancy care, providing general healthcare and support for the health of mum and baby.
Our HNY LMNS website includes a wealth of information to support women and birthing people prior to and during their maternity journey and postnatally.
Quick links to our webpages that may be of most interest to you are included below.
Preparing for pregnancy (preconception/diabetes/alcohol/smoking/genetic counselling and pregnancy testing)
Pregnancy journey (personalised care/testing and screening/diabetes/health weight/diet/exercise/vaccinations/physical changes/mental health/bag packing/birth planning/community midwifery/c-section/breech presentation)
Labour and birth (Hospital Trusts/stages of labour/home and multiple births/postnatal care)
After the birth (in hospital and going home/birth reflections/physical changes/exercise/mental health/feeding/safe sleeping/ICON/screening)
Partners and families (dads and partners/sex/emotional wellbeing/entitlements and money)
Support (Ask a Midwife service/equity and equality/easy read guides/breastfeeding strategy/Maternity and Neonatal Voices Partnership/Website accessibility/support group)
Perinatal Pelvic Health Services (what is pelvic health/exercises/real stories/services in each Trust)
Every Mum Matters (perinatal mental health)
Bump the Habit (stop smoking in pregnancy)
Maternal Medicine Network (for women with complex medical conditions)
In addition, the following pages have been developed specifically for those HCP employed in general practice:
Your baby is now officially an embryo and is about the size of a poppy seed.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/4-weeks-pregnant/ for more information.
Your baby is now the size of a kidney bean and weighs 1g.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/8-weeks-pregnant/ for more information.
Welcome to the second trimester!
Your baby is about the size of a small lime and weighs approximately 14g.
You have hopefully seen your midwife for your 'booking in' appointment, if you have not yet seen a midwife please make an appointment quickly, so you can have all of your choices about screening tests explained and offered to you.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/12-weeks-pregnant/ for more information. You can also link to the 'Pregnancy Journey' area here.
Your baby is about the size of an avocado and weighs approximately 100g.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/16-weeks-pregnant/ for more information.
Your baby has grown in length and is now the length of a small banana and weighs approximately 300g. Around this time you will be offered your '20 week' scan, also known as the 'anatomy' or 'anomaly' scan.Click here for more information about screening.
This is a also a good time to talk and sing to your bump as your baby can now hear sounds. This is great way for you and your partner/family to bond with your baby.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/20-weeks-pregnant/ for more information.
Your baby has grown again to the approximate length of an ear of sweetcorn and weighs about 600g.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/24-weeks-pregnant/ for more information.
Welcome to the third trimester!
Your baby is now approximately the weight of an aubergine; about 1kg and approximately 37cm in length.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/28-weeks-pregnant/ for more information.
Your baby now weighs approximately the same as a coconut; around 1.5kg.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/32-weeks-pregnant/ for more information.
Your baby is now around the same size as a lettuce, approximately 47cm long and weighs around 2.6kg.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/36-weeks-pregnant/ for more information.
Your baby is now the weight of a small watermelon which is approximately 3.3kg and around 50cm in length.
Please visit www.nhs.uk/conditions/pregnancy-and-baby/40-weeks-pregnant/ for more information.