Week 3:
A third cell layer has appeared, roughly a "middle" layer. The inner, outer, and middle layers of cells are destined to become different tissues in the developing fetus, such as skin and nerves, intestines, and muscle. The heart has begun to pump; the brain and spinal cord begin as a tube-like structure. You miss your first menstrual period.
this is the pic at 4 weeks, couldnt find one of a fetus at 3 weeks but it's living. you fucced up homie, you might as well accept responsibility and handle your business. abortion shouldnt be an option, take a paternity test, if its yours be a man and raise your child.