Dear Neela,

My litter mates and I were born with our eyes closed. It takes a week or more for newborn kittens to open their eyes and see the world. But newborn humans can open their eyes and look around right away.

I talked about your question with my friend Cindy Brigham-Althoff. She’s a nurse midwife and professor at Washington State University.

She told me that whether unborn babies can open their eyes depends on their fetal age, or how close they are to being born.

Most babies are ready to be born after about 38 weeks of growing and developing. (Or 40 … » More …