It can happen when the egg implants or when their period was due. If you do experience any spotting or bleeding though you should get it checked out.
Sources
- National Institute for Health and Care Excellence, Ectopic pregnancy and miscarriage: Diagnosis and initial management in early pregnancy. London NICE, 2012
- Macdonald S, Magill-Cuerden J, Mayes’ midwifery, Edinburgh Bailliere Tindall Elsevier, 2012
- Royal College of Obstetricians and Gynaecologists, Early miscarriage: information for you, London RCOG, 2008. Also availabe at: http://www.rcog.org.uk/womens-health/clinical-guidance/early-miscarriage... (accessed 27 May 2014)
ℹLast reviewed on August 1st, 2016. Next review date August 1st, 2019.