Did you know your tot can grow almost a centimeter bigger overnight? Here’s how to deal with the disruption that inevitably brings…
Yes, it’s true: your youngster can grow as much as nine millimeters in length in just 24 hours. ‘Babies go to sleep, and they wake up longer!’ explains expert in human growth and development, Dr. Michelle Lampl. While the line you carefully plot on the centile growth charts in your youngster’s red book might make it look like she’s putting on weight consistently, growth actually happens in fits and starts, with rapid increases in length or height and weight.
Your baby grows most rapidly in her first year, and she’s likely to double her birth weight between four and six months and triple it by the time she is one. By her first birthday, she’s likely to be about one and a half times as long as she was when she was born – and that’s a lot of growth spurts! As she gets older, the frequency of growth spurts slows down to a few months, or longer, apart.
But between the age of one and two, she’s still likely to gain around five pounds and grow around six centimeters. And between the age of two and three, she’s likely to gain five to six pounds and grow a further five to eight centimeters.
And with such a significant change happening, it’s no wonder that your youngster is likely to be a little out of sorts during a growth spurt. ‘The associated behavioural changes only last a couple of days, but they are a clear signal that she’s about to have, or is having, a spurt,’ says Michelle.
‘So if your child is behaving out of character – one day she is perfectly happy and the next she’s suddenly grumpy – step back and consider whether all the signs are pointing to her having a growth spurt,’ suggests Michelle. And no matter what her age, the signs will be the same.
When do babies have growth spurts?
Babies are constantly growing and developing and growth spurts can happen at any time and of course, every baby is different. Some experts suggest growth spurts will occur around:
As each child's growth patterns vary, do not worry if you do not notice your baby having growth spurts at these stages. Boys tend to be a little heavier and taller, and their growth pattern is slightly different to girls. Some children may have more or fewer spurts than the suggested points. If you do think your child is going through a growth spurt, check out the signs to look out for (see below).
It is not necessary for you to weigh your baby regularly or worry about their growth. The NHS recommends "After the first two weeks, your baby should be weighed:
no more than once a month up to six months of age
no more than once every two months from 6-12 months of age
no more than once every three months over the age of one".
There is no evidence to suggest baby growth spurts cause your little one any pain. Sometimes your baby might seem unsettled or more grumpy than usual but this is completely normal. Growth spurts can make your baby seem out of sorts or irritable but they do not cause fever, extreme irritability or listlessness. If your baby does exhibit more extreme symptoms or they seem to continue for more than a few days to a week then it is a good idea to get the baby checked at the doctor or by a health visitor.
Other explanations for increased appetite, sleep changes, and bad moods can be minor illnesses, teething or changes to their routine.
Baby growth spurt signs:
1) Weight gain
This one is pretty obvious as if your baby is growing, they will be increasing in weight. Their weight is likely to be more noticable than the actual growth changes as they may just start to feel a little heavier when you pick them up or hold them. You don't need to worry about weighing them too often, once every couple of months is perfect for a baby over six months.
2) Sleeping more
You may notice your baby is more tired and sleeps more frequently or for longer during a growth spurt. All this growing is tiring work and when your baby sleeps they produce more of the protein human growth hormone (HGH).
3) Sleeping less
Yep, they might sleep more or they might sleep less! It depends on the individual baby but they may be more likely to wake at night or nap less during the day. It is difficult to maintain routine during your baby's early life when they are going through several developmental changes so don't worry too much!
You might find your baby is a bit more clingy than usual. The best thing to do is to cuddle them and soothe them until they feel more comfortable on their own. Often during growth spurts, the baby goes through development and it can be the start of new skills like crawling or walking.
5) Appetite increase
The most commonly noticed symptom of a growth spurt is your baby feeding more. If you are breastfeeding, feed the baby whenever they are hungry even it seems like a lot more. If you are using formula, just add in an extra bottle. This increase in appetite usually only lasts throughout the period of the growth spurt.
6) Changes in feeding routine
Sleep routines are not the only thing affected by growth spurt. Increases in appetite might mean your baby wants to feed at different times. Try and rest when your baby rests and don't be too preocupied about maintaining a routine as it is just important your baby is supported throughout the growth spurt.
7) Bad mood
You may find your baby is a bit more grouchy and cries more often. A general bad mood is common during a growth spurt and they may find it harder to settle during the day or at night. As with all of these growth spurt signs, they are likely to calm down after a few days.
9 ways to make a spurt easier to manage:
1) Relax the routine
Your youngster’s sleep is likely to be disrupted in the days before her growth spurt so she may sleep for longer at some point. If she has an extended nap, let her snooze. And, if you can, take this time to catch up on your missed sleep, too. Wait until she’s finished the spurt before you get her sleep routine back on track.
2) Be led by her appetite
Your child is likely to want to eat lots more during a growth spurt. Let her appetite lead you during this period, and practise on-demand feeding, so she eats or drinks whenever she’s hungry. She’ll naturally go back to her normal appetite – and her normal feeding routine – within a couple of days.
3) Fuel up
If you’re breastfeeding, you’ll need to eat more to cope with the extra demand of your baby’s increased feeding. Snack regularly with nutritional mini-meals of crackers and cream cheese, or a tub of mixed seeds and nuts, rather than waiting until you’re ravenous and reaching for the biscuits. Drink lots of water to avoid dehydration, too.
4) Up her bottles
If you’re bottle-feeding, give your baby a second bottle rather than switching to a hungry baby formula, which could upset her tummy if she’s not used to it. You can return to her normal amount once the spurt is over.
5) Rope in family and friends
Your baby is likely to want to feed round the clock during a growth spurt, and may also be pretty cranky and not want to be put down. And that’s hard work for you, mama! Ask family and friends to help with anything and everything from getting the shopping to simply make you a cup of tea.
6) Buy a carrier
If you haven’t already invested in a sling or baby carrier, get one now! Being close to you will comfort your baby, and you’ll still be able to get everything you need to do. And if she’s struggling to settle, then the cosy, rhythmical feeling of going for a stroll in a carrier can work like magic.
Growth spurts can be emotionally exhausting for you, too. Build in some moments of much-needed time out, even if it’s just going for a walk around the block while your partner looks after your baby. You’ll be better able to help her deal with her emotions if you’re feeling calm yourself.
8) Soothe growing pains
When your baby or toddler is having a growth spurt, massage will help soothe her as well as ease growing pains. Add a two-minute massage to every day-time nappy change, and a longer post-bath rub if she’s happy.
Your baby is likely to wake up and need night feeds during a growth spurt, even if she’s previously been sleeping through for a while. And she will go back to sleeping through, don’t worry. Once she’s finished growing, but she carries on waking from habit, try giving her a drink of water instead of milk.
Meet the expert: Dr. Michelle Lampl is an expert in human growth and development and director of Emory University’s Center for the Study of Human Health.
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Having worked across a variety of magazines, on topics from food to travel to horses, Stephanie now works as a Digital Writer for Mother&Baby online.
She loves taking her lurcher puppy Moss for long walks in the country, and spending time with her niece and two nephews. In her spare time she writes fiction books and enjoys baking (her signature bake is lemon drizzle cake).
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