Birth to 2 years. Infant uses his senses and motor functions to understand the world. (sucks his thumbs realizes it feels good keep sucking) Key accomplishment is object performance (objects exist even when out of sight) child may imitate someone or something when no longer there.
A bicornuate uterus is a type of congenital uterine malformation (mÃ¼llerian duct abnormality). A bicornuate uterus is heart-shaped with two conjoined cavities. A typical uterus only has a single cavity. A bicornuate uterus is just one of several types of mÃ¼llerian duct anomalies.
The heart is a hollow, cone-shaped muscle located between the lungs and behind the sternum (breastbone). Two-thirds of the heart is located to the left of the midline of the body and 1/3 is to the right (see Figure 1). The apex (pointed end) points down and to the left. It is 5 inches (12 cm) long, 3.5 inches (8-9 cm) wide and 2.5 inches (6 cm) from front to back, and is roughly the size of your fist.