Friday Okonofua, University of Benin The word “abortion” is used to describe two types of pregnancies that end before 20 weeks, which is now regarded as the age of viability of a pregnancy. Spontaneous abortion occurs without an intention by the woman to stop the pregnancy, it is pregnancy loss before 20 weeks of gestational age. Induced abortion is the deliberate termination of a pregnancy because it is unwanted. About 10% to 20% of all pregnancies in