<P> Sarah's storylines have included a controversial and ground - breaking underage pregnancy which saw her giving birth to Bethany Platt and saw Sarah deal with motherhood in her teens, internet grooming, her friendship with Candice Stowe (Nikki Sanderson), her relationships with Todd (Bruno Langley) and Jason Grimshaw (Ryan Thomas) as well as her sibling rivalry between her and her half - brother David . Her exit storyline in 2007 saw her leave Weatherfield to start a new life with Bethany in Milan . Her return storyline in 2015 saw her track down Bethany who had run away from home and returned to Weatherfied . Since then Sarah's storylines have included a relationship with Callum Logan (Sean Ward), joining her brother David and sister - in - law Kylie Platt's (Paula Lane) feud with him, being forced to cover - up his murder when Kylie kills him to save her, giving birth to his son Harry, suffering from postpartum psychosis, a relationship with Gary Windass (Mikey North), being the victim of a scam by Pat Phelan (Connor McIntyre), dealing with the discovery that Bethany is a victim of sexual exploitation by her adult boyfriend Nathan Curtis (Christopher Harper), her grief when Gary is wrongly presumed dead, her anger upon learning his one - night stand with Nicola Rubinstein (Nicola Thorp) and her pregnancy, coming to terms with the fact that Bethany is a lapdancer, rekindling her relationship with Gary as well as being caught up in his long - standing feud with Phelan, and be a victim of blackmail by Ryan Connor (Ryan Prescott) who tries to get money out of her to keep quiet about her attacking him over Bethany . </P> <P> Sarah is born prematurely in February 1987 and questions are raised about her paternity, due to Gail's affair with Brian's cousin, Ian Latimer (Michael Loney) and Brian rejects Sarah, believing she was not his daughter; until a blood test reveals otherwise . Her birth reunited Gail and Brian after their divorce, however, Brian dies in February 1989 after being stabbed by a group of thugs . Gail then started a relationship with Martin Platt (Sean Wilson), they had David together on Christmas Day 1990 and later married . Brian's mother, Ivy Tilsley (Lynne Perrie), tried to fight against Martin adopting Nick and Sarah as their names would change from Tilsley to Platt . Despite trying to fight the adoption, Nick and Sarah were allowed to be adopted . Gail and Martin's marriage eventually broke up a decade later . </P> <P> Sarah befriends Candice Stowe (Nikki Sanderson). After her 13th birthday in February 2000, Sarah discovers she is five months pregnant . Her daughter Bethany Platt is born in June 2000 . Bethany's father, Neil Fearns (Paul Holowaty), has no interest in Bethany but when Neil dies in a car crash in September 2003, Sarah takes Bethany to his funeral and makes friends with Neil's mother, Brenda Fearns (Julia Deakin), this nearly leads to Bethany's death, when Brenda tries to commit suicide with Bethany, fearing that Bethany is being raised in a house of sin; Emily Bishop (Eileen Derbyshire), however, finds them and stops Brenda before harm is done . </P> <P> Sarah had become rebellious at the age of 15, splitting from her boyfriend Todd Grimshaw (Bruno Langley) in 2002 and moving on to Aiden Critchley (Dean Ashton), who takes her joyriding and crashes the car, leaving Sarah with severe head injuries . She survives and dumps Aiden, disgusted that he had left her for dead in the wreckage . Sarah reconciles with Todd and they move into the flat over the bookies, causing problems between Gail and Sarah, particularly when Sarah tells her that she is pregnant, in late 2003 . She is unsure about having the baby but Todd convinces her to go ahead and they get engaged, despite their families' disapproval . However, Sarah is unaware that Todd is struggling with his emerging homosexual feelings and begins an affair with Karl Foster (Chris Finch). When Sarah finds out in May 2004, she dumps him and suffers a placental abruption shortly afterwards . She has to have an emergency caesarean and her baby son, Billy, dies soon after he is born in June 2004 . Sarah blames Todd and refuses to allow him to attend their son's funeral but Todd ignores her and goes regardless . </P>

How old was sarah platt when she gave birth to bethany
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