Child is conceived through sexual intercourse and being to develop.
Baby is up to .1-.2 millimeters and is called a blastocyst. At three weeks, the child already has developed all genetic material.
Fetus is under an inch long, has a heart beat, is developing the brain, and has all limbs.
Baby is officially a fetus, it is between 2 and 4 inches long, all organs are present, baby begins to move legs
Baby is 5-6 inches long, can weigh up to 4 ounces, face and heart are fully formed, eye will open, some organs are still developing
Baby is about 10 ounces, 6-9 inches, sex can be determined through ultrasound
Baby is around 10 inches long, weighs over a pound, more specific features are formed, you can feel movement
Baby begins to develop fat, nearly a foot long, can weigh between 2-4 pounds, can now use most senses
Baby can be over a foot long, weigh up to 5 pounds, think like a newborn, movement slows down
baby's organs are preparing to live outside of uterus, brain is growing, can weigh between 6-8 pounds, measures between 18-21 inches