Meet IVF twins Bailey and Megan Orrells who were born a record-breaking four years apart.

The time-lapse sisters came from the last batch of eggs mum Jayne - who has had a hysterectomy - was able to produce.
All Jayne's eggs were fertilized by dad Simon through IVF, then frozen.
Bailey was born in 2006. Jayne's remaining three embryos were left in the freezer - until the end of their legal shelf life in 2009 when the couple was faced with a final heartbreak choice of using them or losing them.
Megan's defrosted embryo was the only one to make it. She was born on May 21 - a UK record for the longest gap between surrogate twins.
Bailey said: "Megan's beautiful. I absolutely love her. . . but I don't like it when she cries because it makes my tummy ache."
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"Her birth is incredible. There are no embryos left and it's not going to happen again. We're blessed - some -body up there is watching over us."
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