Baby size week-by-week: fruits and vegetables comparison guide

Your baby, now officially an embryo, is about the size of a poppy seed (khus khus seed).

Find out more about your baby's development when you're 4 weeks pregnant.

Watch how your baby develops in our Inside Pregnancy: weeks 1-9 video.

Your baby is about the size of a sesame seed (til), looking more like a tiny tadpole than a human being.

Find out more about your baby's development when you're 5 weeks pregnant.

Discover a wealth of knowledge in our early pregnancy guide.

By six weeks, your baby is about the size of a lentil (a grain of dal). Length: 5mm. This is also about the time that a scan can pick up your baby's heart beat for the first time.

Find out more about your baby's development when you're 6 weeks pregnant.

Find out why morning sickness happens and how to cope with nausea and vomiting.

Your baby, having doubled in size since last week, is about as big as a chickpea (chhola). Length: 1cm.

Find out more about your baby's development when you're 7 weeks pregnant.

Check out why your first antenatal appointment is important.

Your baby, now about the size of a kidney bean (rajma), weighs roughly 20g and is constantly moving and shifting. Length: about 1.6cm, head to bottom.

Find out more about your baby's development when you're 8 weeks pregnant.

Wondering if you're eating the right, nutrient-rich foods? Follow our Eating well in pregnancy: monthly guide.

Your baby is around the same size as a grape (angoor) and weighs about 27g. Length: roughly 2.3cm, head to bottom.

Find out more about your baby's development when you're 9 weeks pregnant.

Exercising is important at every stage of pregnancy. Check out what exercises are safe during pregnancy.

Your baby, now barely the size of a green olive (jaitoon), weighs about 35g. Length: around 3.1cm, head to bottom.

Find out more about your baby's development when you're 10 weeks pregnant.

Watch how your baby develops in our Inside Pregnancy: weeks 10-14 video.

Your baby is now about as big as a fig (anjeer) and weighs around 45g. Length: about 4.1cm, head to bottom.

Find out more about your baby's development when you're 11 weeks pregnant.

Are you sleep deprived? Read our article on sleeping well during pregnancy.

Your baby is about the size of a lime (nimbu) and weighs roughly 58g. Length: about 5.4cm, head to bottom.

Find out more about your baby's development when you're 12 weeks pregnant.

Unable to fit into your old clothes? Check out how to buy maternity clothes on a budget.

Your baby is almost as long as a pea-pod (matar) and weighs about 73g. Length: roughly 6.7cm, head to bottom.

Find out more about your baby's development when you're 13 weeks pregnant.

Are you noticing changes in your skin? Read our article on how your skin changes during pregnancy.

Your baby, now roughly the size of a lemon (bada nimbu), weighs about 93g, almost double the weight of last week. Length: around 14.7cm, head to heel. From now until 41 weeks your baby will be measured from head to foot (crown to heel).

Find out more about your baby's development when you're 14 weeks pregnant.

Is your bump getting bigger? Check out how to bond with your bump.

Your baby has grown to around the same size as an apple (seb) and weighs about 117g. Length: roughly 16.7cm, head to heel.

Find out more about your baby's development when you're 15 weeks pregnant.

Watch how your baby develops in our Inside Pregnancy: weeks 15-20 video.

This week your baby measures up to a pear (nashpati) in size and weighs roughly 146g. Length: around 18.6cm, head to heel.

Find out more about your baby's development when you're 16 weeks pregnant.

Check out how to protect your back and pelvis as your pregnancy progresses.

Your baby weighs around 181g this week, about as much as a ginger knob (adrak). Length: around 20.4cm, head to heel.

Find out more about your baby's development when you're 17 weeks pregnant.

Find out how to plan your pregnancy diet this week.

Your baby is nearly as big as a capsicum (shimla mirch) and weighs about 223g. Length: around 22.2cm, head to heel.

Find out more about your baby's development when you're 18 weeks pregnant.

See how your baby is growing inside you.

This week your baby is about as large as a big tomato (tamatar) and weighs about 273g. Length: roughly 24cm, head to heel.

Find out more about your baby's development when you're 19 weeks pregnant.

Check out some great ideas to pamper yourself in the second trimester.

Your baby has grown about as long as a banana (kela) and weighs roughly 331g. Length: about 25.7 from head to heel.

Find out more about your baby's development when you're 20 weeks pregnant.

Find out how your baby's movements will feel, week by week.

Your baby, almost as long as a carrot (gajar), weighs about 399g. Length: roughly 27.4cm, head to heel.

Find out more about your baby's development when you're 21 weeks pregnant.

Watch how your baby develops in our Inside Pregnancy: weeks 21-27 video.

Your baby is around the size of a long cucumber (kheera) and weighs about 478g. Length: roughly 29cm, head to heel.

Find out more about your baby's development when you're 22 week pregnant.

Check out what you should do to eat well this week.

Your baby weighs around 568g, about as much as a large mango (aam). Length: about 30.6cm, head to heel.

Find out more about your baby's development when you're 23 weeks pregnant.

Is heartburn a problem for you? Read our article to know some natural remedies for acidity and heartburn.

Your baby is nearly as long as an ear of corn (bhutta) and weighs about 670g. Length: around 32.2cm, head to heel.

Find out more about your baby's development when you're 24 weeks pregnant.

Follow our tips to avoid constipation during pregnancy.

Your baby weighs about the same as an average rutabaga (shalgam), around 785g. Length: about 33.7cm, head to heel.

Find out more about your baby's development when you're 25 weeks pregnant.

Check out what you need to add to your pregnancy diet this week.

Your baby is about the length of a spring onion (hari pyaaz) and weighs about 913g. Length: roughly 35.1cm, head to heel.

Find out more about your baby's development when you're 26 weeks pregnant.

Watch the best pregnancy yoga poses in our prenatal yoga videos.

Your baby weighs around 1.1kg, about as much as a head of cauliflower (phool gobhi). Length: about 36.6cm, head to heel.

Find out more about your baby's development when you're 27 weeks pregnant.

Check out our tips for an enjoyable Godh bharai or baby shower.

Your baby is about the size of an aubergine or eggplant (baingan) weighing just over 1.2kg and about 37.6cm, head to heel.

Find out more about your baby's development when you're 28 weeks pregnant.

Watch how your baby develops in our Inside Pregnancy: weeks 28-37 video.

Your baby is almost the size of a butternut squash (kaddu) and weighs about 1.4kg. Length: about 39.3cm, head to heel.

Find out more about your baby's development when you're 29 weeks pregnant.

Read our guide on eating well this week.

Your baby is about as big as a good-sized cabbage (patta gobhi) this week, weighing in at about 1.6kg. Length: roughly 40.5cm, head to heel.

Find out more about your baby's development when you're 30 weeks pregnant.

Check out how to take care of swelling in pregnancy.

Your baby is about as big as a coconut (nariyal), and weighs around 1.8kg. Length: about 41.8cm, head to heel.

Find out more about your baby's development when you're 31 weeks pregnant.

Know what are antenatal classes and why they are important.

Your baby is taking up more and more space in your uterus (womb) and is about as big as a large jicama (mishrikand) weighing about 2kg. Length: about 43cm, head to heel.

Find out more about your baby's development when you're 32 weeks pregnant.

Find out what your baby’s movements are all about and what you can expect as your pregnancy progresses.

Your baby is about the size of a pineapple and weighs about 2.2kg. Length: about 44.1cm, head to heel.

Find out more about your baby's development when you're 33 weeks pregnant.

Read our article to get an idea of Braxton Hicks contractions and how to handle them.

Your baby is about the size of an average cantaloupe melon (kharbooja), weighing about 2.4kg. Length: roughly 45.3cm, head to heel.

Find out more about your baby's development when you're 34 weeks pregnant.

Knowing various breathing techniques can help prepare for labour.

Your baby, now about as big as a honeydew melon (sarda) and weighing about 2.6kg, doesn't have much room to manoeuvre in your tummy. Length: about 46.3cm, head to heel.

Find out more about your baby's development when you're 35 weeks pregnant.

Be aware of early labour procedures so that you know what you can expect at the hospital.

Your baby, is about 2.8kg and still putting on weight at a rate of about 30g a day. He or she is close to romaine lettuce (salad patta) in length at about 47.3cm, head to heel.

Find out more about your baby's development when you're 36 weeks pregnant.

Check out 13 things to do before your baby arrives.

Your baby is about as long as a stalk of Swiss chard, at around 48.3cm, head to heel. He or she weighs nearly 3kg.

Find out more about your baby's development when you're 37 weeks pregnant.

Have you packed your hospital bag yet? Our guide on what to pack in your hospital bag may come in handy!

Your baby, now about the size of a jack fruit (katthal), weighs around 3.2kg. Length: about 49.3cm, head to heel.

Find out more about your baby's development when you're 38 weeks pregnant.

Follow the stages of labour from contractions to birth in our Inside Pregnancy: labour to birth video.

Your baby is about as big as a mini-watermelon (tarbooj), weighing around 3.4kg Length: about 50.1cm, head to heel.

The figures above are a global average but there are variations between races based on average sizes of the population. Newborns in India tend to be slightly smaller than the international average, with a weight of between 2.5kg and 4kg and a length of between 48cm and 52cm.

Any baby who weighs less than 2.5kg is a "low birth weight" baby, irrespective of when the baby is born during pregnancy.

Find out more about your baby's development when you're 39 weeks pregnant.

Follow these tips to cope with labour pain and have a positive birth experience.