What is abortion?
"Abortion is the intentional termination of a pregnancy after conception. It allows women to put an end to their pregnancies. But involves killing the undeveloped embryo or fetus."
http://civilliberty.about.com/od/abortion/f/what_abortion.htm
In what countries is abortion legal?
Abortion is lagal eveywhere except the following countries.South America:
Brazil, Colombia, Chile, Dominican Republic, El Salvador, Guatemala, Haiti, Honduras, Mexico, Nicaragua, Panama, Paraguay, Venezuela,
Sub-Saharan Africa:
Angola, Benin, Central African Rep.Chad, Congo, C�te d'Ivoire, Dem. Rep. of Congo, Gabon, Guinea- Bissau, Kenya, Lesotho, Madagascar, Mali, Mauretania, Mauritius, Niger, Nigeria, Senegal, Somalia, Tanzania, Togo, Uganda.
Middle East and North Africa:
Afghanistan, Egypt, Iran, Lebanon, Libya, Oman, Sudan (r), Syria, United Arab Emirates, Yemen.
Asia and Pacific:
Bangladesh, Indonesia, Laos, Myanmar, Papua New Guinea, Philippines, Sri Lanka.
Europe:
Ireland, Malta.
http://wiki.answers.com/Q/In_what_countries_is_abortion_illegal
In what trimester is abortion legal?
Abortion was originally only legal in the first trimester of a woman's pregnancy. Now it is legal in all trimesters. The most controversial time is the third trimester, in which abortion is called "'partial birth"
http://uspolitics.about.com/od/electionissues/i/abortion.htm

What is partial birth abortion?

Partial birth is the abortion of a child in the third trimester. It is the most controversial act of abortion there is. The child is partially brought out of the woman and then is killed.