In a very short time your baby’s lungs will have blood vessels, a very important step in her development. In addition, the bone structure of the spine is already forming to house the bone marrow.

On the other hand, your baby’s mouth and the lips are progressively developing more nerve endings, something that will be very necessary to be able to feed once she’s born. Her swallowing reflexes are better every day. She can also have hiccups as a reflex movement. Perhaps it's still too soon, but you might feel rhythmic little starts one of these days. Your baby has hiccups! Hiccups forms part of the development and are frequent in unborn babies.

This week your baby measures over 13 inches and a half and weighs almost a pound and a half or almost 700 grams.