An unintended pregnancy is a pregnancy that is either unwanted, such as the pregnancy occurred when no children or no more children were desired. Or the pregnancy is mistimed, such as the pregnancy occurred earlier than desired
Causes:
contraceptive failure
Non-use of contraceptive services
Less commonly rape
Factors associated with unintended pregnancy:
Younger age
Relationship status
Lower income
Minority racial background/ethnicity
Lower education level
Non-consensual intercourse
Public health implications:
Unintended births
Missed opportunities for preconception care
Late initiation of prenatal care
Maternal mental health
Relationship stress
Substance use during pregnancy
Increased rates of preterm birth and low birth weight