"So we're leaving the hospital after six, seven days", Williams says in the final post.
Williams revealed there were "a lot of complications", which could potentially affect her hopes of returning to the tour in time to defend her Australian Open title in January.
She also shared a photo of her cuddling her little girl and revealed her traditional name she and fiance Alexis Ohanian chose. From what size fruit she was in the womb at various points ("a blueberry!") to how attractive Ohanian thinks Williams is, their baby girl will learn plenty after watching this footage.
The screen shows text saying that Alexis Olympia was born on September 1 at 6 lb. The video starts with an ultrasound and a doctor saying, "Okay, so, you're pregnant". Thirty minutes later I missed four calls and I'm like, 'That's weird.' But it was a good moment. "Alongside the image, she wrote: "...but are you ready?". Pregnant or not, no one knew and I was supposed to win that tournament.More news: FOX61 viewer shows the damage done by Hurricane Irma in Puerto Rico
Her Instagram post immediately went viral, garnering over 400,000 likes and 16,000 comments within the first two hours.
When will she be back to professional tennis?
"I was just saving them (for myself)".