At week 10 of pregnancy the baby is about 1 ½ inches in length. All of the major organ systems are formed although they are not all yet functioning. The arms and legs now have elbows and knees. Ultrasounds at week 10 definitely look like a little baby. Arms and legs are readily visible as well as the head and the body.
The gastrointestinal tract and the urinary tract are starting to function at week 10. The gastrointestinal tract includes the stomach, intestines, and liver. The urinary tract includes the kidneys and bladder. These organ systems are staring to come on line and nit just form abut actually function.
Fetal heart tones can often be heard in the office at week 10 with a pocket doptone. Do not be worried if your doctor can not hear the heart tones yet, sometimes this is not possible until 12 weeks. The gestational age in which the heart tones are audible depend on the body habitus of the mother as well as the position of the baby within the uterus.
A normal pregnancy lasts 40 weeks. This means at 1o weeks you are ¼ of the way through pregnancy. This may be hard to believe as delivery still seems so far off, but the math checks out!