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You are not actually pregnant yet but your body is getting ready for it. Your uterus is thickening
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This is officially the start of the pregnancy, when the sperm and egg officially merge into one single cell. The zygote travels through the fallopian tube to get to the uterus as the cells continue to divide.
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The embryo attaches to the wall of the uterus. Cells begin dividing to create the baby's organs. The amniotic sac is forming.
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Buds on either side of the baby are growing into arms and legs. It looks like a tiny collections of tubes. The tubes are forming the brain and spinal cord and heart
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Although you can't hear it the baby's heart starts to beat. Human features are starting to appear including the two eyes and lids. The lungs and digestive system are starting to branch out
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Pregnancy symptoms really start to kick in. The baby has changed from an embryo to a fetus. You can start to make out the eyes, nose, ears, and upper lip.
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The tail is gone as the legs have finally grown in. The webbing between the fingers and toes are also gone. The connections in the brain are forming
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Even though you probably can't feel it, the baby has become active. The baby is growing fingernails and irises.
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By the end of this week the risk of miscarriage has significantly dropped. You've started putting on weight. The baby looks like a fully formed person. Fingers and toes are complete with nails and the kidneys are preparing to produce urine.
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The baby's head makes up 1/3 of its body. Placenta is helping the baby grow by providing nutrients and disposing of waste.
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The body is covered in lanugo. It is developing fingerprints
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The baby's skin is so thin you can see right through it. You can see blood vessels forming. The doctor is able to test for down syndrome and other chromosome problems. The baby's muscles are getting stronger.
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The baby's lungs are breathing in amniotic fluid. Blood is pumping in the circulatory system and the kidneys are producing urine. The mother's breasts are growing bigger as they create milk to prepare to feed the baby.
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The baby measures 5 1/2 inches long. You can start to feel movement now. The ears have developed enough to hear.
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The baby can hear and may start reacting to sound. The baby measures 6.5 inches and weighs about 11 ounces. From here through the rest of your pregnancy it's likely you'll gain half a pund each week
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Tooth buds are forming in the baby's gums. Eye movement occurs and bone marrow is quickly producing red blood cells.
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Hormones and nerves are forming. Sex organs are beginning to develop
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The baby has reached viability. The wrinkles on the baby's skin are filling in and smoothing out as fat builds up underneath.
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The baby's heartbeat becomes clearer. The skin goes from see through to cloudy.
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The baby's eyes open. The baby may react to light now
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The baby can blink, cough, hiccup, and maybe even dream. The baby is moving into position for childbirth
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You should be able to feel practically all of the baby's movement. The brain is developing more wrinkles. The baby's senses are becoming more aware
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Your center of balance shifts and it becomes more uncomfortable and your joints loosen to prepare for labor. Your feet may grow because of this.
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The lanugo is falling off and the only hairs that will remain are the eyelashes, eyebrows, and on the head.
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The bones harden to support the baby as it gains weight. The only bones that stay soft are in the skull
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The baby begins to put on about .5 pounds per week and the baby's position moves lower to your pelvis, making it easier for you to breath because it's releasing the pressure on your lungs but applying pressure to your bladder making you have to use the restroom more frequently.
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The vernix caseosa has dissolved
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The pregnancy is now full term. The baby s engaging, or moving its head towards your pelvis to prepare for delivery. The immune system is arming up
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All of the baby's organs should be working now. The brain has started controlling all of the body's functions and the reflexes are active
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the baby should be ready for delivery this week. If not you may consider talking to your doctor about being induced.