Fetal Development Crossword

The union of male sperm and female egg cell
After 8 weeks, the embryo turns into a _____
What is the final stage of pregnancy where the uterus contracts and pushes the baby out of the mother's body
At week 40, the fetus is the size of a _____
The last week of the first trimester is week _____
At week 4, the embryo is the size of a _____ (two words-no space)
What is the process where the zygote attatches to the uterine wall
A fluid filled ball of cells involved in implantation
At week _____, you can tell the gender of a baby from an ultrasound
Week 13, the fetus gets a _____