How Big Is a 3 Month Old Baby
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From the moment of conception to delivery, your baby grows by leaps and bounds inside you. The gestational age of a baby is initially determined using ultrasound scans using markers like sac length and length from crown to rump. This is because every baby grows at the same pace only up to a certain stage of pregnancy. Here, we attempt to explain how big your baby is getting with each passing week using fruits and veggies as examples.
How Big is Your Baby?
Studying your baby size during pregnancy is fascinating. At the time of conception, your baby is discernable. The size of the foetus at every stage during pregnancy is used as a benchmark to determine if the pregnancy is progressing normally and your baby is growing as she ought to be. When you've just become pregnant, your baby is barely the size of a seed. From this size, your baby will gain up to 3.5 kilos of weight by the time she is born.
Baby Size: Weeks 1 to 3
At this stage, the fertilisation of the egg happens in the mother's body and the zygote attaches itself to the uterus. Your baby has just been formed at this stage and begins growing from two cells.
Week 4 Baby Size
In medical terms, the baby is called a blastocyst. If one had the chance to look at the baby, it would look like a group of cells bunched up together like a ball. It would be comparable to the size of a poppy seed.
Baby Weight:
The baby's weight is barely discernible at this stage, weighing in at less than a gram.
Baby Length:
Your baby is very tiny at this stage and can be identified as a sac in the ultrasound scan. The baby would be less than 3mm in length.
How You Will Feel:
This is the start of the first signs that you are pregnant – bleeding and mild cramping, for example. However, most women dismiss these symptoms as they can easily be confused with the symptoms of the start of the menstrual cycle.
Week 5 Baby Size
Your baby is roughly the size of an apple seed. During this phase, organs such as the liver and kidney begin to form.
Baby Weight:
The baby's weight at this stage is negligible; it is less than a gram.
Baby Length:
At this stage, the baby is about 0.13 inches long.
How You Will Feel:
You will start experiencing some of the more apparent symptoms of pregnancy, such as morning sickness and frequent urination.
Week 6 Baby Size
Your baby's size can be compared to that of a sweet pea. During this phase, the eyes, nose, tongue, and vocal cords begin to form.
Baby Weight:
Your baby will be too small to have any significant weight.
Baby Length:
Your baby will measure just 0.25 inches in length at this stage.
How You Will Feel:
Your baby bump may still not be visible, but you may experience pregnancy-related issues like mood swings, cramps, and sore breasts.
Week 7 Baby Size
The size of your baby is comparable to that of a blueberry at this stage, and the brain will grow by almost a third of its full size.
Baby Weight:
The baby's weight is still negligible.
Baby Length:
At this stage, your baby measures between 13 and 18 mm in length.
How You Will Feel:
A few moms-to-be might get lucky and not experience any symptoms at all, but most pregnant women will experience nausea, food cravings, and acne.
Week 8 Baby Size
As you approach the 8-week mark, your baby will be half an inch in length and the size of a kidney bean. The baby has just about 'lost its tail' and has fingers that are webbed in nature.
Baby Weight:
Your baby will weigh around 1.1 grams (0.04 ounces) at this stage.
Baby Length:
Your baby will measure half an inch in length at this stage.
How You Will Feel:
Moms-to-be usually begin feeling the symptoms of early pregnancy during this stage. A rush of hormones can make one sensitive to the faintest of smells, and dream about things that are stranger than usual. Other issues that one might face include nausea, lightheadedness, and bloating.
Week 9 Baby Size
Your baby will be the size of a grape. Its milk teeth will be forming at this point, along with hair follicles.
Baby Weight:
The baby weighs 1.9 grams (0.07 ounces) at this stage.
Baby Length:
The foetus is usually 0.9 inches long at this stage.
How You Will Feel:
One will experience the usual pregnancy symptoms such as headaches and morning sickness.
Week 10 Baby Size
At this stage, your baby is the size of a tiny tangerine. Your baby has a fully functioning heart and will begin to grow a set of arms and legs.
Baby Weight:
The baby weighs approximately 3.9 grams (0.14 ounces) at this stage.
Baby Length:
The baby's length will be 1.25 inches at this stage.
How You Will Feel:
Apart from the regular symptoms, you may also experience pain in the abdomen as your uterus grows larger to accommodate the foetus.
Week 11 Baby Size
Your baby is as big as a fig now and is well on its way to developing its arteries and veins.
Baby Weight:
Your baby will weigh 7 grams (0.25 ounces) at this stage.
Baby Length:
At 1.61 inches, your baby is growing rapidly in length.
How You Will Feel:
Along with the regular symptoms, you may experience issues with gas, which is why you should avoid beans and fried food, and focus on fibre-rich food.
Week 12 Baby Size
Your baby is the size of a lime at this stage, and its soft body is gradually developing bones.
Baby Weight:
Your baby will weigh 14 grams (0.49 ounces) at this stage.
Baby Length:
Your baby will be 2.13 inches long at this stage.
How You Will Feel:
You should see a reduced bout of morning sickness and increased energy. However, you are likely to experience headaches due to changes in blood pressure.
Week 13 Baby Size
Your baby is now the size of a pea pod from head to toe. You can clearly view the hands, legs and head in an ultrasound scan. You will also see that the baby is constantly moving and very active at this stage.
Baby Weight:
Your baby will weigh 23 grams (0.81 ounces).
Baby Length:
At 2.91 inches in length, your baby will be very visible on an ultrasound scan.
How You Will Feel:
This will be the best phase of your pregnancy period as nausea will go down, your energy levels will increase, and there will be a spike in your libido.
Week 14 Baby Size
Your baby is now the size of a big lemon and is in the process of exercising its facial muscles which will change its expressions ever so often.
Baby Weight:
Your baby will weigh over 42 grams (1 and a half ounces) at this stage.
Baby Length:
Your baby will measure 3.9 inches in length.
How You Will Feel:
You will have surprisingly thick, silky hair and won't feel lethargic anymore.
Week 15 Baby Size
Your baby can be compared to the size of an apple or small pear at this stage. Your baby's sense of hearing is getting developed, and it can most probably hear the soothing rhythm of your heartbeat.
Baby Weight:
Your baby weighs 68 grams (2.4 ounces) at this stage.
Baby Length:
Your baby will be closing in on 4 inches of length at this phase.
How You Will Feel:
If you are a second-time mother, you may begin to feel your baby move around this time. It may take much longer for new mothers to recognise or feel the baby move.
Week 16 Baby Size
Your baby is now the size of an avocado and has got a fully functional circulatory system in place.
Baby Weight:
At 100 grams (3.53 ounces), your baby is gaining weight rapidly.
Baby Length:
Your baby will be over 4.5 inches in length at this stage.
How You Will Feel:
At this stage, you will be dealing with a mixed bag of symptoms. On one hand, you'll be dealing with backaches and constipation, and on the other, you will have radiant and glowing skin.
Baby Size 17 Weeks
Your baby is now the size of a pear and has developed its unique fingerprint by this point.
Baby Weight:
At 140 grams (4.94 ounces), your baby is slowly filling in your uterus.
Baby Length:
Your baby will have stretched to nearly 5.12 inches in length at this stage.
How You Will Feel:
As the baby is growing at a rapid pace, you might experience strange dreams, weight gain, and increased fluids in your body.
Baby Size 18 Weeks
Your baby's size is comparable to that of a sweet potato, and the sex of the baby will become clear.
Baby Weight:
The baby weighs 190 grams (6.70 ounces) at this stage.
Baby Length:
Your baby would be well over 5.5 inches in length.
How You Will Feel:
If you haven't already, you should start to feel the baby move.
Baby Size 19 Weeks
Your baby will be nearly as big as a mango and the sensory organs will continue to develop at a rapid pace.
Baby Weight:
Your baby weighs nearly 238 grams (8.4 ounces) at this stage.
Baby Length:
Your baby will be 6 inches long at this stage.
How You Will Feel:
Ligament pains aren't unusual at this stage. As your uterus expands and puts pressure on your body, you may feel dizzy and lightheaded. Some women may also experience leg cramps and hip pain at this stage.
Baby Size 20 Weeks
Your baby is almost as big as a banana now. Second-time mothers can usually feel the baby move at this stage as the baby becomes more active every day.
Baby Weight:
Your baby weighs 283 grams (10 ounces) at this stage.
Baby Length:
Your baby is over 10.5 inches in length at this time.
How You Will Feel:
Swelling and shortness of breath are common at this stage. You may also experience high bursts of energy at times.
Baby Size 21 Weeks
Your baby is the size of a bulky carrot. At this point, the baby's rate of growth will begin to out-pace the placenta.
Baby Weight:
Your baby weighs nearly 340 grams (12 ounces).
Baby Length:
Your baby will be 10.58 inches long.
How You Will Feel:
Your baby bump should be rather noticeable at this stage. Leg cramps can feel more severe. You may also experience vaginal discharge, which is normal.
Baby Size 22 Weeks
Your baby will be the size of a squash at the 22-week mark.
Baby Weight:
At over 425 grams (15 ounces) in weight, your baby is now nearly half a kilogram.
Baby Length:
Your baby will be nearly 11 inches long.
How You Will Feel:
Your skin may become itchy, and you may experience heartburn. Your body may also prepare for the impending delivery by experiencing Braxton Hicks contractions, a type of pre-labour uterine contraction.
Baby Size 23 Weeks
Your baby is as big as a grapefruit at this stage, and its bone marrow has begun to produce red blood cells on its own.
Baby Weight:
Your baby will weigh 498 grams (1.1 pounds) at this stage.
Baby Length:
Your baby's size will be nearly 11.4 inches from head to heel.
How You Will Feel:
Lingering backaches, swollen gums and ankles are all common discomforts experienced by pregnant women during this phase of their pregnancy.
Baby Size 24 Weeks
Your baby is now the size of an ear of corn.
Baby Weight:
Your baby is nearly 589 grams (1.3 pounds).
Baby Length:
Your baby is now a whole foot long, and much bigger than when it was first formed.
How You Will Feel:
The linea nigra or the line that runs along the centre of your belly will darken and be very visible at this stage. You may also see stretch marks as your baby pushes your uterus out, and your skin expands to accommodate this change.
Baby Size 25 Weeks
Your baby is comparable to an acorn squash at this stage and is active enough to respond to unpleasant sounds with an occasional kick or two.
Baby Weight:
Your baby is nearly 680 grams (a pound and a half) in weight.
Baby Length:
Your baby will be 13.6 inches in length.
How You Will Feel:
You may have trouble sleeping and may have the urge to urinate more frequently.
Baby Size 26 Weeks
Your baby resembles a head of kale in size and has a fairly developed spinal cord.
Baby Weight:
At a whopping 771 grams (1.7 pounds), your baby is now much heavier than when first seen on a scan.
Baby Length:
Your baby will be over 14 inches in length.
How Will You Feel:
Your blood pressure may elevate at this point – make sure to track it. You may find that you have difficulty remembering things, unlike before. Your belly will be much bigger, and this may be the right time to switch to comfortable fitting maternity clothes.
Baby Size 27 Weeks
Your baby is as big as a cauliflower. Its ears have developed and it can distinguish your sound at this stage.
Baby Weight:
Your baby weighs 861 grams (1.9 pounds) at this stage.
Baby Length:
Your baby is a little over 14.4 inches in length.
How You Will Feel:
The regular discomfort of the second trimester will continue, but as you step into the third trimester, you will also experience stronger fetal movements as your belly expands.
Baby Size 28 Weeks
Your baby is now the size of a large eggplant and you may hear hiccups often, which is normal.
Baby Weight:
Your baby will weigh nearly 997 grams (2.2 pounds).
Baby Length:
Your baby will be about 15 inches long.
How You Will Feel:
As your baby grows and your stomach expands, you will experience several difficulties. The growing size of your uterus will create pressure on your bladder, thus creating frequent urges to empty it. Your baby's movements will also be stronger, and will probably keep you up at night.
Baby Size 29 Weeks
Your baby is as large as a butternut squash, and a large part of it constitutes the brain which is developing at a rapid pace.
Baby Weight:
Your baby will easily reach 1.1 kgs (2.5 pounds) of weight at this stage.
Baby Length:
Your baby will be 15.2 inches long.
How You Will Feel:
You may experience constipation, haemorrhoids and itchy skin at this point. It will be difficult to get a good night's sleep, and you will be recommended to sleep on your side to avoid straining your back with your growing stomach size.
Baby Size 30 Weeks
Your baby is as big as a large cabbage at this stage, and the growth of the baby in terms of size is likely to decelerate.
Baby Weight:
Your baby weighs 1.3 kgs (2.91 pounds).
Baby Length:
Your baby's length is 15.7 inches at this stage.
How You Will Feel:
Your baby's size has reached up to your rib cage and you will feel shortness of breath and exhaustion at this stage of your pregnancy.
Baby Size 31 Weeks
Your baby could be comparable to a large coconut at this stage, and it would have a sense of taste that is developed enough to taste the amniotic fluid.
Baby Weight:
Your baby will weigh over 1.4 kgs (3 pounds) at this time.
Baby Length:
Baby will be 16.2 inches in length.
How You Will Feel:
An achy back, heartburn, swelling of your extremities, and light contractions are normal pregnancy symptoms at this stage.
Baby Size 32 Weeks
Your baby is now the size of a Chinese cabbage and has a complete set of toes and fingernails.
Baby Weight:
Your baby will weigh 1.7 kgs (3.8 pounds).
Baby Length:
Your baby will be over 16.7 inches in length.
How You Will Feel:
During this time, a pregnant woman is likely to experience vaginal discharge, dark nipples, and leaky breasts.
Baby Size 33 Weeks
Your baby is now the size of a pineapple and is well on its way to having an immune system.
Baby Weight:
Your baby weighs nearly 1.9 kgs (4.2 pounds) at this stage.
Baby Length:
Your baby will be 17.2 inches long now.
How You Will Feel:
You may have headaches as you grow increasingly exhausted. Always stay hydrated, and be careful when you move around.
Baby Size 34 Weeks
Your baby is now the size of a melon and has probably developed a layer of fat to insulate itself from losing too much heat.
Baby Weight:
Your baby is 2.1 kg (4.7 pounds) in weight.
Baby Length:
Your baby will be over 17.7 inches long.
How You Will Feel:
You may feel your stomach lower than it was a few weeks ago. This is because the baby would have descended to the pelvis for delivery.
Baby Size 35 Weeks
Your baby is now as big as a honeydew melon and you will experience a lot more movement during this time.
Baby Weight:
Your baby is 2.4 kgs (5.3 pounds) heavy.
Baby Length:
Your baby will measure 18 inches in length.
How You Will Feel:
One might need to go to the bathroom more frequently because the baby would be pressing down on the bladder as it would have moved to the pelvic region by now.
Baby Size 36 Weeks
Your baby is as big as a canary melon at this stage, and there is a chance that the baby's head has shifted down to the pelvis.
Baby Weight:
Weight gain slows down, and the baby will weigh 2.6 kgs (5.78 pounds) at this stage.
Baby Length:
Your baby will measure 18.6 inches in length at this stage.
How You Will Feel:
The baby's descent will be putting pressure on your pelvic floor. On the bright side, your ability to breathe will have improved as the lungs have more space to expand.
Baby Size 37 Weeks
Your baby is now as long as a bunch of Swiss chard leaves – the baby's brain and lungs will continue to mature during this time.
Baby Weight:
Your baby will be 2.8 kgs (6.3 pounds) on average at this stage.
Baby Length:
Your baby is roughly 19 inches long at this stage.
How You Will Feel:
You will experience Braxton Hicks contractions which may be confused with labour pain. You may notice increased discharge and vaginal spotting.
Baby Size 38 Weeks
At 38 weeks, your baby is the size of a stalk of rhubarb.
Baby Weight:
Your baby may weigh 3 kgs (6.8 pounds) on average.
Baby Length:
Your baby will be roughly 19.5 inches long by this phase.
How You Will Feel:
Your contractions may come closer together. Pay attention to make sure you do not confuse labour pains with Braxton Hicks contractions. One may also experience anxiety as one anticipates the baby's delivery.
Baby Size 39 Weeks
Your baby now resembles the size of a small watermelon and develops a new layer of skin which is much tougher than its older skin.
Baby Weight:
Your baby will weigh nearly 3.1 kgs (7 pounds).
Baby Length:
Your baby will easily measure 20 inches in length.
How You Will Feel:
Along with Braxton Hicks contractions, one will experience thick, mucous-like discharge along with blood.
Baby Size 40 Weeks
You have officially come to the end of your pregnancy. Your baby will be as big as a watermelon, and your pregnancy will soon culminate in the delivery of your child.
Baby Weight:
A full-term baby weighs 3.4 kgs (7.6 pounds) on average.
Baby Length:
Your baby will be 20.2 inches long from head to toe at this stage.
How You Will Feel:
You made it! Now, just hang in there till your body decides it is time for the birth. Get as much rest as you can, for your body needs the energy and strength to push out a little being.
After a certain stage, every baby takes her own pace of growth. Hereditary factors, maternal nutrition and health come into play at this stage, and this is why every baby has a different size, weight and head circumference at the time of birth. Eating right and healthy is the key to a successful pregnancy. This will also help you enjoy these natural changes in your body! Have a happy pregnancy!
Also Read: Foetal Growth Chart Week by Week
Source: https://parenting.firstcry.com/articles/baby-size-week-by-week-comparison-with-fruits-and-veggies/
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