1. Unwanted pregnancy – a review of contraception;Chauke;Prof Nurs Today,2007
2. Unintended pregnancy: worldwide levels, trends, and outcomes;Singh;Stud Fam Plann,2010
3. Preliminary report on the demographic and health survey;Ministry of Health and Medical Education of Iran,2000
4. Health indicators in Islamic Republic of Iran;Khosravi,2009
5. Correlates of unwanted pregnancy among pregnant women attending medical and health centers in Semnan, Iran;Sanaie Nasab;Hayat, J Nurs Midwifery Tehran Univ Med Sci,2009