How do you know if you LO is going through a growth spurt? And at which weeks do they normally go through it?

Just to add on, some major growth spurts can generally be expected between one and three weeks, between six and eight weeks, at three months, at six months and at nine months. However, there are more growth spurts than these. Also, every baby develops at different rates. Therefore, these just serve as a guide.

It depends on individual as all my 4 kids are different. Think usually ard 4-6 mths. You will experience like insufficient milk if u r breastfeeding as they will keep wanting to drink. However, this is normal and normally last very fast.

Your baby will probably sleep more in the day and be up all night. Baby will be crankier than usual and fuss more. Some of my friends tell me that their babies' appetite will increase substantially.