Week 4: Your fertilized egg is implanted in the wall of your uterus and the placenta and umbilical cable begin to form.
Week 6: The tiny embryo’s heart begins to pump blood and the neural tube that will become the spine closes. She handles a C-shape and small little arm and leg buds begin to form.
Week 8: Brainwave activity starts. Webbed fingers and toes begin to form.
Week 9: Her heart is nearly totally developed. Eyelids are forming in addition to hair follicles and nipples.
Week 10: The embryo is now formally a fetus. She will be doing periodic breathing movements, drawing oxygen through the umbilical cable.
Week 11: Almost all her organs and body structures are formed and beginning to work. Genitals take on male or female type. Your fetus can now sigh, stretch, move her head and draw her thumb.
Week 12: at the end of your initially trimester pregnancy phase your infant’s nose and lips are entirely formed and she is starting to produce and excrete urine.
Week 13: This is the start of your second trimester pregnancy stage and your child is starting to look more human.
Week 14: Child’s nose, lips and palate are formed.
Week 16: Her eyes are beginning to move gradually and she can frown.
Week 18: Teeth have started to form and infant can hear sounds in your body and might even get surprised at loud noises.
Week 20: Sweat glands are forming and baby ends up being covered in a white, creamy compound called vernix caseosa that protects her skin in the liquid environment.
Week 22: Child’s brain is getting in a period of quick development.
Week 23: If it’s a boy, his testicles will start to descend into the groin from the abdominal area. If it’s a woman her uterus and ovaries will have established.
Week 24: Child will have developed a waking and sleeping pattern. Real hair will begin to grow on her scalp. If she was born now she ‘d have a 50% possibility of survival.
Week 26: Her eyes are beginning to open and her lungs are beginning to develop surfactant which allows them to inflate.
Week 28: You are now at the end of your 2nd trimester pregnancy stage and your infant can taste and smell, her eyes can produce tears and her bones are all completely developed (although still rather soft). Weight gain will be fast from this week on and her brain will increase as much as 500% in weight in between now and shipment.
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