Join us to discover interesting things about
the fetus when it is newly formed in mother’s womb!
In fact, only one sperm fertilizes an egg
but when a couple has sex, there are thousands of sperms released into the
cervix of the woman.
24 hours is sufficient time for sperm to
reach and fertilize the egg. From now on, your pregnancy starts even if you
have not realized it.
Only 2% of all pregnant cases are expecting
twins. The twin is exactly the same when a sperm fertilizes an egg, and then
divides into two separate zygotes (each zygote forming a baby). The twin not
exactly the same is formed when two separate eggs fertilize with two separate
sperms at the same time.
The embryo at the 4th week has
the size of a seed.
The gender of your baby is decided by your
husband. All the eggs carry X chromosome (female), while the sperm is carrying
X or Y chromosome (male). If the X chromosome of the sperm meets the egg, it's
a girl. On the contrary, if it is the Y chromosome, then you will have a baby
boy.
Four-week-old
embryo has the same size as a seed.
Around the 6th week of
pregnancy, baby has heartbeat even if its size is only a little bit bigger than
a bean.
However, when you are 6 weeks in pregnancy,
the uterus has expanded and the embryo has the size of a plum now.
7-week-old baby has already had three
distinct brain regions including the forebrain (function as solving problem,
memories storage), midbrain and hindbrain (control physical activities such as
breathing, heartbeat, muscle movement).
8-week-old- baby is now forming a fetus. If
you have ultrasound and prenatal check at this time, the baby's heartbeat is
detected and the risk of miscarriage is only 2%.
At the 10th week, your baby has
the size of a pea, but you can recognize the eyes, ears, nose and mouth, four
limbs, fingers and toes. It also has small nails and the buds for baby tooth.
Also in week 10, baby starts being
sensitive to the collisions. If you gently push your belly, the baby will twist
but these movements of the baby have not been realized.
In
the 10th week, baby starts being sensitive to collisions.
Your baby's heartbeat is now 110-160 times
per minute double adult’s heartbeat. All major organs including heart, lung,
kidney, brain and intestines are formed and fully functioned in week 10. From
now on, baby begins to develop quickly.
Baby’s reflex develops strongly in the 12th
week. If it accidentally touches its face by hands (or feet), its lips look
like sucking; if it accidentally touches its eyes, the eyes will blink.
Most pregnant women have amniotic fluid
volume as a cup at the end of the first quarter of pregnancy and as a bottle of
wine at the end of pregnancy.
12-week-old baby has weight of an Ipod.
Interesting Discoveries On The Middle-three-month Fetus
Let us discover interests about the
middle-three-month fetus you may not know.
The middle-three-month fetus is from the 13th
week to the 24th week of pregnancy. Let us discover interests on the
fetus during this period you may not know.
The fetus has his own fingerprint from the
13th week of pregnancy even he is just as small as a plum now.
The lanugo appears on the body of baby from
the 13th week to keep the body warm. At the same time he also has
eyebrow and eyelash. Although the lanugo will gradually fall in the third
period of pregnancy, some babies still have them until birth.
If you check 4-dimensional ultrasound at
the 14th week, you can see the baby smiling or frowning.
In this period, though the baby's eyelids
are still closed, he has been aware of light and shadow. He will see a red
light if you stand in front of an electric bulb.
In the 15th week, you may know
exactly the sex of the fetus with modern ultrasound equipment.
From
the 24th week of pregnancy, the baby is able to memorize the sound.
In the 20th week, you will see
the ultrasound image of the fetus looking like a newborn baby. From this time
onwards, his legs and arms no longer develop much but focus on developing
weight.
3 million is the number of ova that a baby
girl has when she is 20 weeks old.
21-week-old fetus has the weight and length
of a banana.
In this period, the baby can feel what you
eat via the amniotic fluid.
In the second half of pregnancy, your
uterus size will increase 1 cm/week.
At the 24th week of pregnancy,
the fetus’s brain develops strongly and come to completion stage. The patterns
of brain wave are now similar to those in a newborn baby and the fetus has
consciousness as well as memory. The fetus can distinguish between your voice
and your husband’s. Many researches have shown that if you usually turn on a
piece of music for him, he will keep it in mind when being born.
The 24th week is one of the
major milestones of pregnancy. At this time, the baby has 39% of chance to
survive if unfortunately being born early.
In the 24th week, the baby has
formed a habit of sleeping, but what a pity that his habit does not get along
with his mother’s.
Interesting Discoveries On The Last-three-month Fetus
You should know that only 5% of
infants were born exactly on their due date.
Do you know that during the entire
pregnancy, the baby will live on amniotic fluid, so remember to drink enough
water to supply a sufficient amount of amniotic fluid for your beloved baby’s
development.
The 27th week of the pregnancy,
the baby is able to open and close his eyes. Now he will learn how to
distinguish the light and the dark clearer.
From the 28th to 32nd
weeks, the baby’s weight increases about 500g/week. This thing explains why
during this period you gain weight so rapidly.
At the temperature of 37.5 degrees Celsius,
amniotic fluid is warmer than normal temperature of the mother’s body. This is
to keep the fetus warm because during this period the fetus is forming the
adipose tissue layer under the skin.
In the 35th week of pregnancy,
most babies are all in right place to prepare for birth.
The most favorable presentation is cephalic
presentation (fetus’s head is downward, face turning towards his mother's back
and crown slightly tilted on the left or right. Fetus’s chin usually leans on
the chest so the crown emerges out first). This presentation is the ideal
position to have a smooth birth.
In
the 35th week, most babies are all in right place to prepare for
birth.
Because there is no air inside the cervix,
the baby cannot smell anything from outside. But his sense of smell has been
developing from the 32nd week of the pregnancy.
From the 32th to 35th weeks,
your baby gains weight about 250g/week.
During this period, the baby's brain is
growing rapidly with the increase of head circumference of 2.5 cm/week.
From the 32nd week, the baby's
lung is almost completed. However, if the baby was born at the 34th
week, he would need assistance to breathe but at the 36th week, the
baby is able to breathe.
2.46 kg is the average weight of a fetus at
the 35th week.
35-week-fetus has grown up enough to be
able to talk to you.
In this period, the baby’s bone is hard
enough but the cranium remains soft to facilitate the birth.
The baby has 99% chance to survive if he is
born at the 35th week.
By the end of pregnancy, your uterus will
be 500 times bigger than normal size.
Only 5% of babies are born right on their
due date.
