A maternity hospital has shared a unique guide to show expectant mothers know how dilated their cervix becomes during labour – by using Easter eggs. Royal Devon and Exeter Maternity Services posted the chart on Facebook, using  different sized chocolate treats to help women visualise the stages of childbirth.   When mothers reach 10cm – or the equivalent of a full-size Cadbury Easter egg – then it could be time for them to push, as this is the size a cervix needs to be for a baby to pass through.  A maternity hospital shared a useful guide, pictured, to show how dilated the cervix is in labour ranging from a small 1cm mini egg to a 10cm Cadbury’s Easter egg Before they reach that stage, mother’s go through the  Lindy, Dime and Smarties egg stages, before reaching the boiled egg stage at 5cm and Kind Surprise at 6cm.  Things probably start to get more painful around the 7cm stage, represented by a Milkybar egg, which is going past the small chocolate treat size and becoming a proper Easter egg.  The later stages of dilation were represented by an 8cm Buttons egg and a 8cm Rolo egg respectively.   Royal Devon and Exeter Maternity Services posted: ...