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The baby is a blastocyst that contains all the DNA that determines the traits
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The blastocyst is an embryp and is the size of a poppy seed.
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The heart starts to beat at twice the rate of the mother. The body is the size of a sesame seed
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The facial features form, and little openings are created for the arms and legs.
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Arms and legs start growing with little fingers and toes. Also has the facial features like nose and upper lip. 5/8 of an inch long
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Eyes have developed, but the eyelids are fused shut, and the tail is lost.
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Embryo is a fets, and the vital organs are functioning, and fingernails and toenails are forming.
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Body is almost fully formed. Bones are hardening and genitalia is developing.
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Able to hear the heartbeat, and is 2 inches long
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Kidneys produce urine, and this goes into the amniotic fluid. Facial expressions, and thumb sucking.
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Can see light, although eyelids are shut
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Sex is detectable
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Baby movement is felt, but people from outside cannot feel the baby
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Baby can hear heartbeat and soinds from outside. Skin is covered by a waxy coating, and is wrinkly. About 6 inches
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Sense of movement is developed, so baby can feel dancing. Hearing is also improved, and can see movement on the surface of the body
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Taste buds, brain, and hair are all developing. A foot long
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lungs are developing but wont be fully functional. Inhaling and exhaling amniotic fluid. Sleeps at intervals, and opens the eyes. Finger sucking
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Dreaming, and has eyelashes while the eyesight improves. Neurons are forming in the brain. about 15 inches long
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Little fingernails and toenails. Plumps up for birth. 17 inches long
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Lunnds and central nervous system are developing. Skin is smooth, and is almost 18 inches long
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Baby is considered early term, brain and lungs need more time to fully mature
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Full term, about 20 inches, and is ready for outside life.