This is what is going on this week.
Your baby is growing incredibly rapidly right now. She is approximately 1.75 to 2.4 inches (4.4 to 6cm) when measured from crown to rump. She will double her length in the next three weeks. Your growing baby weighs about 0.3 ounces (8g).
The neck is developing and the chin lifts up from the chest. Fingernails are also present. While your baby’s sex was already determined at the time of fertilization, male or female genitalia are now visible. Essential organs are formed and most have begun to function. The blood vessels in the placenta are …