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-The 40 week pregnancy begins whis lasts about 266 days the moment the egg id fertilized. Ovulation begins 14 days before the start of a period. The 1st, 2nd, and 3rd month is the first trimester.
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-Every month about 3 to 10 eggs recieve a hormonal signal that helps mature and prepare for ovulation. This egg is known as the ova, the baby forms from an egg into a cell which divides that multiplies rapidly.
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-The egg goes through the fallopion tube where the egg will become fertilized. the baby is set as a biy with Y chromosomes or girl with X chromosomes. The sex of the baby comes from the fathers sperm chromosomes, the cells have DNA to become a fetus. Cell division contuinues and implantation begins after 3 Days.
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-Implantation occurs, fertilization determines if your baby is a girl or boy, 40 chromosomes make a persons physical characteristics. This egg is called blastocyte this embryo is now one-hundreth inch long. This embryo is the size of a pinhead.
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-This embryo is a tiny speck about 2mm, and about 4-5mm by the end of the week.Theplacenta will develop and the embryo will begib to get oxygen and nutrients through the placenta.
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-Four weeks from concemption the embryo is now 8mm, the spinal corn now opens then closes, the babys heart if forming and begins to beat. The brain divides into five parts, and cells being to form the arms and legs
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-Five weeks from concemption heart beats with chamber and a wall is formed in the heart. The jaw and vocal cords are also forming, as well as the ears other organs are being create such as, lungs, liver, pancreas, and the thyroid gland.
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-Six weeks from concemption, this embryo is 18mm long, The elbows and toes are visible. The embryos feet and hands aren't visible just yet, moving starts but the birth giver would'nt feel this action until week 20. Face shaping, mouth and nostrills begin to develop, eyes are hallow lastly, teeth develope under the gums.
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-Seven weeks from consemption, finernails and toes are developed. Cartlidge, bones, upper lip, and nose form as well as the larynx.The eyelids are developed but, they stay closed doe several months. The constructon of the heart is also completed.
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-8 weeks after conception, known as a fetus until after birth this embryo is the size of a strawberry. All muscles are formed the baby begins to shift and move around. The hair and nipples also form at this time.
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-9 weeks after conception baby's fingers and toes seperate, taste buds develop. Has the ability to stick out tongue and swallow, if the baby is the boy the testicle begins to create testosterone.
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-The baby is about 6cm in length and 7 oz, the fetus moves and you could see the babys face. The pancreas is functioning and produces insulin. Finger and toe nails are visible, the baby can suck on its thumb, and it can get hiccups.
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-Fetus weighs about 1 oz and is 3 inches long, the nose and chin is defined. The baby can open and close its mouth, at this point you could maybr determine the gender of the baby.
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-Fetal age 12weeks, 3 1/2 inches long and 1 1/2 oz. The eyes begin to grow a little more defined, the nose is pronounced as well as the ears. Cheek bones and hai appear, and the kidneys produce urine.
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-13 weeks the baby is over 4 inches and about 2.7 oz. The baby's skin is very thin and the finger and toe nils are very noticable.
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-Age is 14 weeks 5 inches from head to buttocks and 3.5 oz. The baby os covered and protected to maintain temperature. Fat forms under the skin, and the baby can hear external voices, sleeps and dreams.
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-The fetal age is 15 weeks, the umbilical cord is thicker and stronger. the baby is 5 inches long and weighs about 5 oz. The baby also begins to relase its first stools.
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-Ages 16 weeks the baby is 6 inches long and weighes 7 oz. The fetus can hear sounds and could even get scared from loud noises. The skin is also growing a protective wax layer.
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-The baby's genetals are reconizable and they are very alert in the womb. 6.5 inches long and 9 oz and most of the baby's features are visible in the ultra sound.
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-The baby is 18 weeks and is 7 inches long and 11 oz. This fetus can reconize its mothers voice and the skin is getting thicker.
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-Ages 19 weeks 10.5 inches long and weighs 12.7 oz the baby is gaining weight with the fat. The bone marrow makes the blood cells, and the small intestine stores sugars,
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-Baby ages 19 weeks and is about 28 cm long. The baby reacts to loud sounds this fetus has a regular sleeping rythm and could awake from the mothers movements. Taste buds also form.
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-The baby measures over 25 cm and weighs over 25 g. the bones are geting harder and the baby can suck successfully.
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-The baby gains about 3 oz a week and weighs about 1.3 lbs and 12 inch long. Eyelids can be seen. At this time it may be able to survive.
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-13.5 inches and 1/2 pounds, the hands are developed and the bones are developed and solid. The bain groups rapidly, as well as the brain cells mature and the sex organs are fully developed.
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-Ages 23 weeks ans is about 14 inches long and 1.7 lbs. The feet are 2 inches and the hands are active and the eyes open.
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-The fetus is 25 weeks, weighs 2 pounds and is 14.5 inches long. The head is over 2.5 inches. Hearing developes, and the eyes are able to open and close.
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-The fetus is 2.2 pounds and 14.8 inches long. The hair on the head is visible. And the eyes move in the sockets.
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-Age 27 weeks, 2 1/2 pounds and 15 inches long. The brain is developing of nurons. Muscles and lungs mature.
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-28 weeks, 16 inches and 3 pounds, and the head is 3.5 inches, The wrinkled becomes smooth and contols the body temperature.
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-29 weeks of age, 3.5 punds and 16.5 inches. The eyes resond to light darkness. Loud noises can also make the babys body jump.
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-The fetus is 17 inches and 4 pounds, inch diamater.The skins layer gets thicker
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-4.4 pounds, and 17.5 inches, the head is 8.5 cm in diameter. The baby has fuzz, and drinks pints of fluid.
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-18 inches long. 5.25 pounds. The baby will have asuccessful life out of the womb at this time. Fat pumps into the arms and legs this week.
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-18.5 inches long, and 5.5 pounds. The baby's reflexes are coordinates and the lungs are almost fully developed. 90% of babies that are born this week survive.
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-19 inches, 6 pounds. The baby becomes chubby as the fat layers build. The baby gains an oz a day, and contractions are near.
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-19.5 inches, 7 pounds, and the heads diamater is over 5.5 inches. The water could break at any time,
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-20 inches, 7.5 pounds. The body fat in the body of the baby still continues. Skin is ery smooth, and the head of the baby is beginning to go twards the vagina.
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-20 inches, 7.5 pounds. The baby is in birth position, the baby is very cramped. Kicks, and pushed the lower abdomen.
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-Delivery time, all systems develop ready for birth. The baby is 20 inches and about 7.5 pounds. Contractions begin at any moment.
