1. Human Fetal Development
Edna Shasha Saimphar

2. 1st Trimester (1 – 3 Months)
 Month 1:
1
• During the first month of pregnancy the egg is
normally fertilized within 24-48 hours. The single
fertilized cell begins to rapidly divide and at this
point in time is called a zygote. Between days 7-10
from fertilization implantation usually occurs.
• The Umbilical cord, amniotic sac, and yolk are
beginning to form. At the end of the month your
baby is 2mm long. Size of a rice for the early stages
of development.

3. 1st Trimester (Continued)
 Month 2:
2
• The embryo is officially a fetus
• All of the fetus organs are forming, including external
structures
• Fingers and toes begin to form, while the leg grows longer
• Sex organs are forming, but not enough to identify the
gender
• Eyes move forward while eyelids begin to form
• Fetus is 1 inch long and weighs less than 1/8 of an ounce

4. 1st Trimester Cont…
 Month 3:
• By the end of this month the fetus is fully formed.
• Other features start to grow, like the nails of the
fingers, and toes
• The beginning of the teeth, circulatory system, the
liver, and the reproductive organs

5. 1st Trimester Pictures
 This is baby during the first
three months Babiesonline.com
 1st Month
i-am-pregnant.com
 2nd Month
 3rd Month
Webmd.com

6. 2nd Trimester (4 – 6 Months)
 Month 4:
• Teeth and bones become denser
• Baby can suck his/her thumb, yawn, stretch, and make faces
• The reproductive organs and genitalia are fully developed
• Now you can determine if you are having a boy or girl
• Heartbeats are audible through Doppler
• Baby is now 6 inches and 4 ounces

7. 2nd Trimester (Continued)
 Month 5:
• The baby is more active
• Eyebrows, eyelashes, finger nails, and toenails have
formed
• The baby can hear and swallow
• The baby is about 6 inches and weighs 9 ounces

8. 2nd Trimester Cont…
 Month 6:
• The baby has reddish and wrinkled skin
• Veins, finger, and toe prints are visible
• The baby can open it’s eyes
• It weighs 2 pounds and is 12 inches long

9. 2nd Trimester Pictures
mypregnancycare.net
 This is how the baby looks
during months 4 through 6
 4th Month
 5th Month
 6th Month
webmd.com
Amazingdata.com

10. 3rd Trimester (7 – 9 Months)
 Month 7:
• At the end of the month, fat begin to be deposited onto your
baby
• Baby is 14 inches and weighs 2 – 4 pounds
• Hearing is fully developed
• Baby is constantly changing positions
• Responds to stimuli, including sound, pain, and light

11. 3rd Trimester Cont…
 Month 8:
• The baby’s fat begins to increase
• The baby’s weight is about 6 to 6 ½ pounds, and is
16 to 19 inches long

12. 3rd Trimester Cont…
 Month 9:
• The baby reflects are so good that they can respond
to light, sound, and touch
• The baby is changing positions to prepare for birth
• Baby can blink, close eyes, and turn it’s head
• Baby is now 18 inches long, and 7 pounds

13. 3rd Trimester Pictures
 This is your baby’s finally
months of development,
before you can see him or Webmd.com
her
 7th Month
 8th Month
Babyandus.co.za
 9th Month
Umm.edu

14. Congratulations!!!!!
 Labor Time!!
• During this time you
could be in labor any
where from 10 to a good
23 hours of labor
• This step is difficult for
Forum.santabanta.com
most women, but is all
worth it when you have
your newborn in your
hands (:
• Congrats on you baby
boy or girl
Funnyphotosto.com