Serena Williams and baby Alexis Olympia Ohanian Jr. Picture: Instagram

Tennis champ Serena Williams has shared a personal mini documentary of her journey from pregnancy to motherhood journey of her website.

The two minutes and 15 seconds video is a video diary of special moments from her pregnancy announcement to the day she held her baby girl in her arms

Serena and her fiancé, Reddit co-founder Alexis Ohanian, welcomed their daughter, Alexis Olympia Ohanian Jr on September 1.

The 23-time Grand Slam singles champion revealed that there had been delivery “complications”.

“It’s been a long time, but we had a lot of complications, but look who we got – we got a baby girl!” said Williams in one segment of the home movie as she left the hospital.

She said the couple had spent almost a week at the hospital after the delivery but did not say what the complications had been. Media reports said the birth had been induced by doctors.

Read: PE mom designs shweshwe outfit for Serena Williams' baby

On Tuesday, the tennis champ shared her first snap of baby Alexis on her Instagram account. She wrote: Meet Alexis Olympia Ohanian Jr.

Baby Alexis is already winning her mom's fans' hearts, as the picture has already received nearly one million likes.