How Fast Does A Baby Develop? | Heartbeat Pregnancy Center

A baby’s heart begins to beat on day 21 after conception.
A baby’s lungs are formed on day 26-27 after conception.
On day 36 the baby’s eyes develop their first color in the retina.
On day 40 the baby makes her first reflex movements.
On day 42 the baby develops nerve connections that will lead to a sense of smell. The brain is now divided into 3 parts. Mom now misses second period.
On day 44 electrical activity is detectable in the brain.
At 8 weeks the baby is now well-proportioned and every organ is present.
At 9 weeks, if prodded, the baby’s eyelids and hands close.
At 10 weeks, fingerprints begin to form