Week 10: The baby can now suck his or her thumb, and many prefer their right thumb over the left. They can also yawn, being that their mouth (and nose! 👃 ) are almost completely formed. Soon, the baby will smile (in about a week). Even though gender is determined at fertilization, the genitalia is now distinguishable between male and female.
Keep in mind, in 2016 the FDA expanded its recommended use of the abortion pill up to 10 weeks.