Fetal development

Blastocyst

The stage where the fertilized egg implants into the uterus, starting the development of the embryo.

Week 2-3 Development

Brain and spinal cord begin development, digestive system forms, and heart starts beating.

Sex Determination

Possible by the end of the third month of pregnancy.

Month 5 Fetal Development

Includes internal organ growth, increased movement, and the development of eyebrows, eyelashes, and scalp hair.

Lanugo

Silky body hair that develops during month 5 to protect the skin.

Fetus at 4 Inches

Reached by the end of the third month with well-formed facial features and possible sex determination.

Function of Liver in Month 2

Liver begins to function as part of fetal development.

Kidney Function in Month 3

Kidneys begin to function, contributing to fetal development.

Fetus at 20 Inches

Average length of a baby at birth in month 9.

Umbilical Cord and Placenta

Fully formed by month 4, crucial for nutrient and oxygen transport to the fetus.