I had a super dark line at 14dpo with my last pregnancy. He was a singleton.
Kiwi mum of 4 including Benjamin born still at 19 weeks on Jan 17th 2013.
Helen. New Zealand living, cloth nappy using and making. Totally addicted to knitting. Mum of Samuel (11/05), Mollie (6/08), Meghan (5/10) and Benjamin (17/1/2013) born 19 weeks 2 days.