When to Conceive a Baby to Share Serena Williams's Birthday
Serena Jameka Williams is an American professional tennis player. She was ranked as the world No.
Plan a Baby Born on Serena Williams's Birthday (September 26)
How to Plan a Baby for Serena Williams's Birthday (September 26)
If you dream of your child sharing a birthday with Serena Williams on September 26, the optimal conception date is around January 3 of the preceding 38-week gestation cycle (266 days before birth).
Use the interactive slider above to adjust the gestation period between 35 and 41 weeks and observe how the conception timing match (%) and clinical delivery window probabilities change in real time.
When Was Serena Williams Conceived?
Serena Williams was born on September 26, 1981. Based on the standard human gestation period of 38 weeks (266 days from ovulation/conception), she was most likely conceived around January 3, 1981.
While only about 4%–5% of babies arrive on their exact due date, nearly 60% are born within a ±7-day window around their target date when conceived during the peak 5-day fertile window.
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