America Ferrera on Her 10-Month-Old Son's Milestone That Left Her 'Ecstatic and Also Horrified'

Motherhood is one exhilarating (and sometimes terrifying) experience.
America Ferrera couldn’t be prouder of how fast her 10-month-old son Sebastian “Baz” Piers is growing — but not every milestone her baby boy reaches is without its complications.
“A lot of my moments of pride have to do with my little guy now,” Ferrera, who welcomed her first child with husband Ryan Piers Williams in May, tells PEOPLE in this week’s issue, out now.
Praising her son as