If your baby really doesn't like being on her tummy, leave it for now and try again another time. Bear in mind that babies develop differently, some more quickly than others. If your baby isn't rolling over by the time she is six months or seven months old, talk to your GP or health visitor.
Some men stop growing at 18, some at 21. Some men grow really quickly early on, and slowly grow taller until they have hit somewhere between 18 and 21, while others grow quickly later on and some just grow gradually. So, only time can tell you, no one else can because everyone is different.
By 6 months, a boy has normally doubled in weight, and is between 25 and 27 Â½ inches long. By 1 year old, the normal size for boys is 20 to 27 lbs. and 28 to 31 inches in length.At 2 years old, the range for a normal boy begins to widen, developing a larger discrepancy between the 10th percentile and 90th percentiles.t 3, a boy should weigh between 27 Â½ to 36 Â½ lbs., and his height is between 35 to 39 inches. Keep Kids Healthy cites that at 5 years old, the normal weight for a boy is between 30 to 45 lbs. The ordinary height for a 5-year-old is 40 to 45 inches.