question: How many spin-off series were spawned by the TV show that featured Farrah Abraham in its first season while she was pregnant?
answer: three
context: Title: 16 and Pregnant
  Passage: 16 and Pregnant is an American reality television series that aired from June 11, 2009 to July 1, 2014, on MTV.  It followed the stories of pregnant teenage girls in high school dealing with the hardships of teenage pregnancy.  Each episode featured a different teenage girl, with the episode typically beginning when she is 4 ⁄  – 8 months into her pregnancy.  The episode typically ends when the baby is a few months old.  The series is produced in a documentary format, with an animation on notebook paper showing highlights during each episode preceding the commercial breaks.  "16 and Pregnant" has spawned three spin-off series: "Teen Mom", "Teen Mom 2" and "Teen Mom 3".  Each series follows the lives of four girls from their respective season of "16 and Pregnant" as they navigate their first years of motherhood.
  Title: List of 16 and Pregnant episodes
  Passage: "16 and Pregnant" is an American reality television series that debuted on June 11, 2009, on MTV.  It follows the stories of pregnant teenage girls in high school dealing with the hardships of teenage pregnancy.  Each episode features a different teenage girl, with the episode typically beginning when she is 4 ⁄  – 8 months into her pregnancy.  The episode typically ends when the baby is a few months old.  The series is produced in a documentary format, with an animation on notebook paper showing highlights during each episode preceding the commercial breaks.  "16 and Pregnant" has spawned three spin-off series: "Teen Mom", "Teen Mom 2" and "Teen Mom 3".  Each series follows the lives of four girls from their respective season of "16 and Pregnant" as they navigate their first years of motherhood.
  Title: My Teenage Dream Ended
  Passage: My Teenage Dream Ended is the debut book and album by Farrah Abraham.  Abraham came to prominence in the MTV reality TV show "Teen Mom".
  Title: Teen Mom
  Passage: Teen Mom, renamed Teen Mom OG since the fifth season, is an American reality television series that premiered on December 8, 2009 on MTV.  Developed as the first spin-off of "16 and Pregnant", it aired four seasons before its initial conclusion on October 9, 2012.  Its revival was announced in February 2015, with its fifth season scheduled to premiere on March 23, 2015.  The series follows the lives of Farrah Abraham, Maci Bookout, Catelynn Lowell, and Amber Portwood, who were featured on the first season of "16 and Pregnant"; it documents their first years of motherhood and places additional emphasis on strained family and romantic relationships.
  Title: Farrah Moan
  Passage: Cameron Clayton (born September 11, 1993), better known by his stage name Farrah Moan, is an American drag queen, model, make-up artist and internet personality.  He is best known for his participation in the ninth season of Emmy Award-winning reality TV show "RuPaul's Drag Race", where he placed eighth.  His stage name is a pun on the chemical "pheromone", whilst also being a reference to American actress Farrah Fawcett.  In some interviews, Clayton jokingly states that his drag surname is a reference to "being a whore".
  Title: Record Breakers
  Passage: Record Breakers was a British children's TV show, themed around world records and produced by the BBC.  It was broadcast on BBC1 from 15 December 1972 to 21 December 2001.  It was originally presented by Roy Castle with Guinness World Records founders twin brothers Norris McWhirter and Ross McWhirter.  The programme was a spin-off series from "Blue Peter" which had featured record breaking attempts overseen by the McWhirter twins.  Producers of the series over the years were, Alan Russell (its creator), Michael Forte, Eric Rowan, Greg Childs, Annette Williams and Jeremy Daldry.
citations: Teen Mom 16 and Pregnant