Weeks 13 - 16
During this week, the fetus develops reaction to sensory information.
Week 16
During this week, the fetus develops varnix.
Week 17
During this week, the fetus develops limb movements which are coordinated and frequent.
Week 21
During this week, the fetus produces melanin.
Week 26
Pregnancy induced high blood pressure.
Preeclampsia
During this week, the fetus develops vocal cords.
Week 13
During this week, the fetus develops the area of the brain responsible for the five senses.
Week 20
During this week, the fetus is able to touch and hear.
Week 22
During this week, the fetus develops its nervous system.
Week 25
The placenta is attached to the cervix.
Placenta Previa
During this week, the fetus uses amniotic fluid to practice breathing while its lungs continue to develop.
Week 15
During this week, the fetus develops lanugo.
Week 18
During this week, the fetus is considered viable to live outside the womb if born prematurely.
Week 23
During this week, the fetus develops the ability to open and blink its eyes.
Week 27
Pregnancy induced diabetes.
Gestational Diabetes