Week 17

Baby weighs about 3.5 ounces and is 4.4 to 4.8 inches (If you spread your hand out opened wide, you can see about how big the baby is)
The eyes are facing more forward. The ears are now close to their final position. Baby is more flexible with ability to move head, mouth, lips, arms, wrists, hands, legs, feet, and toes. Fingerprints are forming now.
FYI: At this point in my pregnancy, a 5 to 10 pound weight gain is normal.