Month by Month Day 1 Conception takes place
Month by Month
Day 1 - Conception takes place > Period of the Zygote 7 -14 Days- fertilized egg implants in mother’s uterus
Period of the Zygote grows to be about the size of a pin head Conception (10 -14 Days) Fertilized egg is implanted in mother’s uterus
Period of the Embryo 2 weeks after conception *Att achm Umb e ilica nt of to ut l Cord erus m r o f ans g r O l *Al ac S c i iot d n e m m A r * fo d i u & Fl 2 months after conception
Embryo: 18 Days- heart begins to beat 21 Days- pumps own blood through separate closed circulatory system with own blood type. 28 Days- eye, ear and respiratory system begins to form
Video clip 1: 42 • http: //www. babycenter. com/2_insidepregnancy-early-fetaldevelopment_10354436. bc
First Month • Cell multiplication begins • Egg attaches to uterus lining • The heart, which is no larger than a poppy seed, has begun beating.
First Month
Two Months • The Embryo is about ¼” inch long and has distinct, slightly webbed fingers. • Veins are clearly visible. • The heart has divided into right and left chambers. • Bones begin to form • Development of internal organs • The embryo is attached to the mother by the umbilical cord.
Two Months
Video clip 2: 00 • http: //www. babycenter. com/2_insidepregnancy-weeks-1 -to-9_10302602. bc
Period of the Fetus From End of Two Months of Pregnancy Birth!
Three Months • By now the fetus is 1 inch long and is fully formed. • All organs and muscles have formed but are immature. • Eye lids fused. • Fingers and toes almost complete **Sex of fetus can now be determined
Video 1: 49 • http: //www. babycenter. com/2_insidepregnancy-weeks-10 -to 14_10308108. bc
Four Months • Fetus is 3 inches long • Can suck thumb, swallow, hiccup and move. • Facial features are clearer.
4 months
Five Months • Fetus is 8 -10” long weighing almost a pound. • Lanugo develops • Fetus is more active • Hair, eyelashes, and eybrows appear
Video 1: 45 • http: //www. babycenter. com/2_insidepregnancy-weeks-15 -to 20_10308111. bc
Six Months • Baby's lungs are filled with amniotic fluid, and he has started breathing motions. • If you talk or sing, he can hear you. • Fat deposits under skin • Vernix Caseosa Develops.
6 Months
Seven Months • By the end of the seventh month, your baby weighs about 1 1/2 -2 lbs and is about 10 -12 inches long. • Fetus is active, then rests.
Video 1: 32 • http: //www. babycenter. com/2_insidepregnancy-weeks-21 -to-27_10312242. bc
Eight Months • Your baby is gaining about half a pound per week, and layers of fat are piling on. • He has probably turned head-down in preparation for birth. • Fetus may react to noise with jerking actions.
Video 1: 37 • http: //www. babycenter. com/2_insidepregnancy-weeks-28 -to-37_3658874. bc
Nine Months • Your baby is a hefty 6 to 9 pounds and measures between 19 and 22 inches. As he becomes more crowded, you may feel him move around less. • Disease-fighting antibodies are taken in from mother’s blood • Fetus “drops” into pelvis and is ready for birth
• Meconium a tarlike substance-is normally stored in the infant's bowel until after birth, but sometimes it is expelled into the amniotic fluid prior to birth or during labor and delivery. • Medical staff may aspirate the meconium from the nose and mouth of a newborn immediately after delivery in the event the baby shows signs of respiratory distress to decrease the risk of meconium aspiration syndrome
Pregnancy is broken up into Trimesters • FIRST Trimester (1 -3 Months) – Ovum (a female egg) – Zygotic & Embryonic period of Development – When all organs, nerve and brain cells Develop • SECOND Trimester (4 -6 Months) – “Golden Trimester” when Mother feels the best • Third Trimester (7 -9 Months) – Baby’s organs and body systems mature – Baby gains weight
Vocab terms • http: //quizlet. com/_lommo
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