Development of the baby
1. Baby is now about 13cm in length and has a weight of about 100grams.
2. The urethra has started functioning. Baby's lung is developing in order to allow him to adapt to the environment outside the womb.
3. Baby is now able to hear mother's voice and heartbeat.
Read further here about the change to expectant mother in pregnancy week 17
http://www.babyment.com/pregnancy/week17.php
Details of pregnancy week by week
http://www.babyment.com/pregnancyweek.php
