The science of pregnancy is amazing! See for yourself in the answers below.

THE ANSWER SHEET

#1
Which of the following makes you more likely to conceive twins?
The

Answer

Your height

( 64% of people choose 'Your blood type' )

A 2006 study done by Dr. Gary Steinman found that taller women tend to have twins more often than shorter women.

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#2
Some parents can’t wait to find out if it’s a boy or a girl. When is a fetus’ gender determined at a cellular level?
The

Answer

Month 1

( 74% of people get this question wrong )

Gender is determined on day one, but the parents will have to wait until the fetus is four and half to five months old to be able to see the answer on a ultrasound. (And that’s only if the fetus decides to co-operate.)

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#3
Why do many scientists believe pregnant women crave certain foods?
The

Answer

Their bodies lack certain nutrients

Pregnant women crave certain foods because their body is lacking in nutrients. When a woman is pregnant her body will do anything to protect the fetus – even it means convincing her to eat pickles and ice cream! Along the same lines, the sense of smell is heightened which can cause extra food sensitivities for pregnant women.

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#4
Due dates are not an exact science. What percentages of babies are born within a week of their due date?
The

Answer

50%

( 72% of people get this question wrong )

50% of babies are born within a week of their due dates. Due dates are calculated based on a woman’s cycle which varies from woman to woman. Even though they’re not exact, due dates are a helpful guideline to help families prepare for their new arrival.

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#5
A fetus has a lot of time to grow and think. When is the brain developed enough to start forming brainwaves?
The

Answer

Month 2

( 80% of people get this question wrong )

It might surprise you but a fetus’ brain is developed enough to form brainwaves around 45 days after conception. I wonder what they’re thinking about?

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#6
How old is this fetus?

Answer

Month 3

( 69% of people get this question wrong )

The fetus in this picture is about 11 weeks old.

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#7
What causes pregnant women to glow?
The

Answer

Increased blood flow

Increased blood flow causes the glow. When you’re pregnant your blood volume increases by as much as 50%. That extra blood is easy to see in her cheeks where the blood vessels are close to the surface. additionally, extra estrogen in the body prevents the hair from shedding as usual so a pregnant woman has a fuller head of hair.

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#8
When does a female have all the eggs her body will ever produce?
The

Answer

Before she is born

She has all her eggs before she’s born. A baby girl is born with close a million eggs. By the time she reaches puberty 300 000 eggs remain. Out of all those, only 300-400 eggs will be ovulated during her lifetime.

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#9
A doctor can use a sonogram to listen to the fetus’ heartbeat. When does the heart start beating?
The

Answer

Month 1

( 59% of people get this question wrong )

At around 21 days the fetus’ heart starts beating and it beats really quickly! A healthy adult heart beats 60 – 100 times a minute but a fetus’ heart beats almost twice as fast.

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#10
What month of pregnancy is the picture taken in?

Answer

Month 4

( 70% of people chose 6 months or later )

This fetus is just 16 weeks old but he’s developed enough to be able to suck his own thumb.

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#11
When is the unique DNA completely developed in a human fetus?
The

Answer

Month 1

On the first day of pregnancy all the DNA is in place.

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#12
Some babies are born with their first tooth. How often does this happen?
The

Answer

1 in 2000 births

( 67% of people get this question wrong )

Most babies start to teethe between 4 and 7 months old, but a rare few are born with a tooth. Just because they have a tooth doesn’t mean they’re ready for solid food. These rare babies still drink milk or formula just like other babies.

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#13
How much can a woman’s uterus stretch during pregnancy?
The

Answer

500 times bigger

( 42% of people choose '10 times bigger' )

When she’s not pregnant a woman’s uterus is pretty small. During pregnancy it can really stretch, especially if she’s carrying multiples.

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#14
The average pregnancy lasts 40 weeks. How long was the longest recorded pregnancy?
The

Answer

53 weeks and 4 days (about 12.5 months)

( 47% of people choose '46 weeks and 3 days (about 10.8 months)' )

Can you imagine being pregnant for more than a year?

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#15
What is the earliest in a pregnancy that a baby has been born and survived?

Answer

21 weeks and 5 days (about 5 months)

( 42% of people choose '20 weeks and 4 days (about 4.8 months)' )

The youngest surviving fetus was born at just over 5 months. Doctors are getting better and better at saving these tiny babies – often called micro preemies – but science still can’t improve upon the ideal conditions of a mother’s womb.

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#16
Which country has the highest rate of twins?
The

Answer

Nigeria

( 75% of people get this question wrong )

Nigeria has the highest rate of twins in the world. Some scientists think it may be due the large number of yams Nigerian women eat.

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#17
Whether they are future soccer players or yoga instructors, the unborn move a lot. When do they start moving?
The

Answer

8 weeks

( 60% of people get this question wrong )

The baby starts to move around 8 weeks, but the mother might not feel the movement until a little later. Babies move less as they grow and run out of room.

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#18
When does a child develop their sense of taste?
The

Answer

During the second trimester

( 55% of people get this question wrong )

Babies develop their sense of taste during the second trimester, but it will be months before they’re ready to eat anything other than milk or formula. Infants have very sensitive taste buds so they prefer bland foods at first.

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