Serena Williams Playing Tennis In Her 3rd Trimester Is A Sight To Behold

Welcome to Mothership: Parenting stories you actually want to read, whether you're thinking about or passing on kids, from egg-freezing to taking home baby and beyond. Because motherhood is a big if -- not when -- and it's time we talked about it that way. Seven months into her pregnancy, Serena Williams' backhand is still on fire. The tennis champ -- who won the Australian Open in January returned to the top of the WTA rankings the week after news of her pregnancy broke in April -- may be sitti...