Title: When Does an Embryo Become a Fetus? | New Health Advisor
Headings: When Does an Embryo Become a Fetus?
When Does an Embryo Become a Fetus?
When Does an Embryo Become a Fetus?
The First Trimester: Baby Development Week by Week
Week 1-2
Week 3
Week 4
Week 5
Week 6
Week 7
Week 8
Week 9
Week 10
Week 11
Week 12
Embryo to Fetus: Weeks 9 to 12 of Pregnancy
What Happens Next?

Content: Week 8
The arms and legs of the growing child become longer, and hands and feet begin to form. The brain continues to steadily grow and develop, and the lungs start to form. The baby’s ears begin to develop a shell-shaped structure, and the eyes are now visible. The nose and upper lip have formed, and the baby’s body is beginning to straighten. Now the baby is around half an inch long. Week 9
Elbows develop as the arms grow. Toes begin to develop and become visible. All essential organs have started to grow. The baby is around ¾ of an inch long. Between this week and the 12 th, womenover the age of 35, or those with a family history of chromosomal abnormalitieswill likely to undergo a test called chorionic villus sampling (CVS) to detect such abnormalities of the baby (such as Down syndrome).