-
Period: to
Zygote
Subtract 9 months from your birthday –
Add 4 days to your zygote date -
Period: to
Embryo
Add 4 days to your zygote date –
Add 2 months to your zygote date -
Period: to
Fetus
Add 2 months to your zygote date –
Your birthday with year -
Heart develops right and left chambers.
8 week old embryo -
Fingerprints form.
6 month old fetus -
Eyelids can open and weight can be up to 6.6 pounds.
6 to 9 month old fetus -
My birth
I was born in 1999. This was a good thing because if I wasn’t I wouldn’t be here right now. My birthday is March 28, 1999. -
Period: to
Infancy
Your birthday with year –
Add 2 years to your birthday -
A baby can hold its head up and reach for objects.
3 months old -
Heart beats regularly. Eyes and ears begin to form.
4 week old embryo -
Infant begins to crawl.
7 months old -
Bones are visible. Heartbeat can be heard with a stethoscope.
4 to 6 month old fetus -
Period: to
Childhood
Add 2 years to your birthday –
Add 13 years to your birthday -
Gratuation
I graduated preschool. That was my last year in Virginia. I was going to move to Raleigh, North Carolina because of my dad’s job. -
Ovulation in females, and sperm production in males begin.
Ages 9 to 15 -
Period: to
Puberty
Add 9 years to your birthday –
Add 15 years to your birthday -
Period: to
Adolescence
Add 13 years to your birthday –
Add 20 years to your birthday -
Period: to
Adulthood
Add 20 years to your birthday –
Add 80 years to your birthday -
Aging begins.
Age 30 -
Skin starts to become wrinkled.
Age 30 -
Aging becomes more noticeable and progresses rapidly.
Age 45 to 60