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Human Development During Pregnancy

Human Development During Pregnancy. By Mrs. Fucoloro’s 7 th Grade Science Class St. Clement School St. Louis, MO 2005-2006. The First Trimester of Pregnancy. By: Beth, Olivia, Jen, Abby, Catherine, Kate, Sarah, Kate, Tim, Olivia, Ali, Taylor, Mary, and Allie. Features .

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Human Development During Pregnancy

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  1. Human Development During Pregnancy By Mrs. Fucoloro’s 7th Grade Science Class St. Clement School St. Louis, MO 2005-2006

  2. The First Trimester of Pregnancy By: Beth, Olivia, Jen, Abby, Catherine, Kate, Sarah, Kate, Tim, Olivia, Ali, Taylor, Mary, and Allie

  3. Features Week 4: The placenta develops Week 6: Umbilical cord develops, first heart beat begins, buds for arms and legs form Week 8: elbows and feet begin to grow, teeth develop under gums

  4. Features, continued Week 9: Bones and cartilage begin to develop, the fingers are short and webbed Week 10: It’s moving!!! Most joints have been formed Week 11: Now considered a fetus, blood begins to circulate between the baby and the uterus, placenta starts to function Week 12: Fingers and toes separate, hair and nails begin to grow, genitals take on gender characteristics

  5. Organs • Most of the organs like kidneys, liver, pancreas, bladder, intestines, bronchi, and skin have formed by the end of the first trimester

  6. How Long? • Week 7: baby is 1/3 of an inch long or the size of a grain of rice • Week 12: baby is 2 inches long • At the end of the first trimester the baby will weigh approximately half of a pound

  7. Senses • All sense organ have begun to form, but it will be many weeks before they are completed to the point where the baby will be able to use them

  8. ExtraInfo • Week 5: embryo has three layers: the ectoderm, endoderm, and the mesoderm and the skin remains transparent • Week 11: blood will begin to circulate in between the baby and the uterus • Week 12: kidneys begin to form and excrete urine and the muscles in the intestinal wall practice digesting food • During the first trimester the brain and head grow rapidly. “Ridges demarcate the three sections of the brain.” –www. Visibleembryo.com • Week 6: baby’s first heart beat is recorded

  9. TIMELINE

  10. Works Cited • “pregnancy week-by-week guide.” 98-06. StorkNet family. 3 April 2006. http://www.pregnancyguideonline.com • “The visible embryo” not given. National Institute of Health. 3 April 2006 http://www.visembryo.com/baby/index.html • “Fetal Development:How your baby grows.” babycenter.com 2006.Baby Center LLC.30 March 2006.http://www.babycenter.com/fetaldevelopment/ • “First Trimester”. Pregnancy week by-week guide. Doerr Consulting/Stork Net Family. 30 March 2006.http://www.pregnancyguideonline.com/

  11. 2nd Trimester ( Weeks 13-27 ) Sean, Drew, Nick, Eric, Brian, Patrick, Mary, Molly, William, Brendan, Rebecca, Claire and Colleen

  12. Features • The following begin to develop: head-face, eyes, retina, eyelids and eyebrows, ears, bones in the middle ear, nostrils • vocal cords, intestines, pancreases, arms, hands, fingernails, hair, legs, toenails, fat, placenta, brain, muscles.

  13. Organs • Week 17: Heart may be pumping up to 25 quarts of blood each day • Week 18: Prostate glands grow in boys. • Week 20: Uterus starts to develop in baby girls • Week 21: Heart strengthens

  14. Weight and Inches • 4 months: the baby’s length is 4.5 inches • 5 months: the baby’s length is 10 inches. • 6 months: the baby’s length is 12 inches and weighs more than a 1 pound

  15. Developed Senses • Eyes and ears develop and move to their proper position throughout the trimester • Week 26: brain waves for sight and sound • Week 27: eyes start opening and retinas start growing

  16. Extra Info! • Baby’s bones begin to harden • Baby is moving a lot but the mother cannot always feel these movements • The baby’s head is half the size of the body • Fine hair is all over the baby’s body • Baby’s eyes are large and opened

  17. TIMELINE

  18. Work cited Web “Pregnancy week-by-week.” Doree Consulting Baby Center 4/3/2006, unknown http://www.pregnancyguideonline.com/ Author unknown Visual Embryo “Visual Embryo Timeline” 4/3/2006 unknown http://www.visembryo.com/baby/index.html Baby center LLC. StorkNet “Fetal Development: How Baby Grows.” 4/3/2006, unknown http://www.babycenter.com/fetaldevelopment/ Images http://www.pregnancy.org/pregnancy/fetaldevelopment2.php http://nycpastor.typepad.com/photos/uncategorized/zaizaismile.jpg http://pregnancy.about.com/library/ultrasounds/us0016c.jpg

  19. Trimester 3 By: Michael, Justin, Jamey, Alex, Kevin, Tyler, Matthew, Chris, Maggie, David, Mary Margaret, Ellie, Anthony, Katie and Kevin

  20. Body Features • The eyebrows and eyelashes finish forming and eyes function • Hair on head continues to grow • Leg actually starts to look like a leg, a little bony • More body fat is collecting around bones • The arms are small but the bones are growing

  21. Organs • During the third trimester of pregnancy almost all organs have formed • Only the lungs need to be developed more because if the baby was born now it would have a hard time breathing • By then end of the third trimester the baby is ready to be born because all essential organs are in place lifedynamics.com

  22. Length & Weight • The average weight from weeks 28-40 is 2 to 7.5 lbs. • The average length from weeks 28-40 is 14.8 to 20 inches

  23. SENSES • By week 32, the baby is up to 4 pounds and all five sense are functional

  24. EXTRA INFO • In 2005 nearly 500,000 babies born before the 3 trimester did not gain all their normal functions • Albert Einstein was born in the beginning of the 3 trimester • 82% of twins weigh less than 6 pounds

  25. Timeline Timeline Timeline

  26. Bibliography • 1. “Baby Center.” 1997-2006. “What your baby looks like at seven months.” 4/2/06 www.babycenter.com/fedaldevelopment/ • 2. “Visible Embryo.” no copy right date. Visible Embryo. 4/2/06. www.visembryo.com/baby/index.html • 3.“Storknet’s.” 1998-2006. Pregnancy Week-by- Week Guide. 4/2/06. www.pregnancyguideonline.com • 4. “Show Me News.” no copy right date. Extra Information. www.showmenews.com/2005/babylove/2005.

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