first week of conception, the zygote is considered an embryo. An embryo has blood cells, nerve cells and kidney cells. After the third week of conception, it is said that the baby has a heart, brain, spinal cord and gastrointestinal tract. After six weeks the embryo is now a fetus. A fetus looks like a tiny baby and continues to grow during pregnancy.[2] At 20 weeks, scientific evidence has shown that babies can feel pain. After 18 days the baby’s brain starts to develop and after 5 weeks the pain…
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