40 Interesting and Surprising Facts about Babies You Have Probably Never Known Before

Even those who think they know everything there is to know about babies will be surprised to learn that there is a thing or two that may be new to them. Here are some of these things:

1) A babies cannot taste salt until the age of 4 months. This may be related to their kidneys’ inability to process sodium until around that age.

2) A baby’s eyes are about 75% of their maximum size at adulthood. Only at the age of 6 month, babies are capable of 6 by 6 vision.

3) Right-handed toddlers are likely to turn their heads to the right more than to the left.


4) The inner ear is the only sensory organ that fully develops before birth. It reaches its full size in mid-pregnancy.

5). A baby has about 10,000 taste buds, much more than adults. These buds are found not only on the tongue but all over the oral cavity. Eventually, many of them will disappear.

6) Adults have 206 bones, but when a baby is born, she has 300 bones. Baby’s bones attach to one other during the growth process, which explains the “decrease” in the number of bones.

7) A baby’s intestines are approximately 11.41 in (29 cm) in length. They will double by the time the baby becomes an adult.

8) A newborn urinates every 20 minutes. At the age of 6 month she urinates approximately every hour.

9) Every 3 minutes, a new baby is born in the world.

10) Famous people who were born prematurely include Albert Einstein, Charles Darwin, Isaac Newton, Jean Jacques Rousseau, Napoleon Bonaparte, Mark Twain, Pablo Picasso, Stevie Wonder, Yehan Goethe and Winston Churchill.

11) A baby can recognize her mother’s voice and smell soon after birth. However, it takes her a few weeks to distinguish between her appearance and the appearance of other women.

12) A baby’s first social smile appears between 8-10 weeks after birth.

13) At birth, babies do not have knees. The knees develop only after 6 months.

14) Babies born in May, on average, weigh about 200 grams (0.44 pounds) more than babies born in other months.

15) During the nine months of pregnancy, the weight of the fetus increases 3000 times. From the time of birth until the end of the second year, it increases fourfold.

16) A baby’s head makes up a quarter of the total length of the body. In comparison, an adult’s head is only one-eighth of the length of the body.

24) At the moment of birth, a baby’s heartbeat reaches 180 beats per minute. Within a few hours, the pulse drops to 140. When the baby is 1 year old, her heart rate is 115. The average heartbeat of an adult at rest ranges between 70-80 beats per minute.

25) Up until the age of 7 months, a baby can breathe and swallow at the same time.

26) On average, an infant needs 7,500 diapers a year.

27) On average, female babies stay in the womb 1 day longer than male babies. White babies stay in the womb 5 days longer than black babies.

28) The chances of having twins are particularly high in different parts of West African countries. For example, in Nigeria the chances are 1 to 22. In Japan, they are 1 to 200.

29) By and large, male infants tend to weigh more than female babies.

30) A newborn’s brain is 10% of her body weight (In adults, the weight drops to 2%). At the end of the first year of life, baby’s brain grows two-and-a-half times, and by the end of the fifth year it is three times as large as it was at birth. At all stages, the male’s brain is slightly larger than that of the female.

31) Babies are born with natural swimming skills and can hold their breath underwater. However, this ability disappears as quickly as they grow.

32) Psychologist believe babies become self-aware at the age of 1 year.

33) Most babies will lose the hair plum with which they were born in the first 3 to 4 months of their lives.

34) The word infant is derived from the Latin word infans whose meaning is “can’t speak”.

35) The ancient Greeks used to spit on themselves to ward off evil. This ritual has also been applied to infants. Nurses in the Middle-Ages used to lick babies’ faces while farmers around the world spat at them.

36) Historians estimate that infants in the 18th century were 4 times more likely to die as victims of murder.

37) In Medieval Europe, leeches were used to treat infant diseases. For example, leeches were placed on the trachea of a baby who suffered from coughing.

38) Until the 19th century, parents avoided redhead nurses, since it was common to think that babies absorbed the characteristics of the person who cared for them, and many parents feared that their babies would suffer from the bad moods of redhead people.

39) Nowadays, in various parts of England, the head of a baby is washed with rum for luck. A common practice throughout Europe is to give the baby a taste of butter and a little sugar to symbolize the wealth she will accumulate as an adult.

40) In China, every 30 minutes a baby is born with a defect. The number of babies who suffer from birth defects in the country has risen by almost 40% since 2001.