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Line 1: − − == Definition == − − − + − − + − There are several controversial issues involving human embryos.+ − IVF: Traditionally, fertilization occurs via insemination of a female by a male during marital relations. However, reproductive science has created many advances in fertilization, allowing infertile couples to have their own biological children. + − − + − +
added links, sectioned out the controversies, and removed definition as that is implied in an encyclopedia
A '''human embryo''' is the first stage of human development.
A '''human embryo''' is the first stage of human development.
It is formed by the fusion of the male gamete (spermatozoon or "sperm") and female gamete (ovum or "egg"). This is called fertilization and usually occurs in the proximal portion of the female reproductive tract.
It is formed by the fusion of the male [[gamete]] (spermatozoon or "[[sperm]]") and female gamete ([[ovum]] or "egg"). This is called [[fertilization]] and usually occurs in the proximal portion of the female reproductive tract.
== Controversies ==
== Controversies ==
There are several controversial issues involving human embryos.
#IVF: Traditionally, fertilization occurs via insemination of a female by a male during marital relations. However, reproductive science has created many advances in fertilization, allowing infertile couples to have their own biological children.
#In vitro (in glass) fertilization allows for the creation of embryos in a laboratory.
In vitro (in glass) fertilization allows for the creation of embryos in a laboratory.
This embryo is then surgically implanted in the mother. The first so-called "test tube baby" was born in 1979 and is now a healthy female adult. There has been a great deal of controversy about this practice, and there are many interesting moral/religious viewpoints on the topic. Many see IVF as a way for couples to help fulfill God's commandment to be fruitful and multiply, others see it as science invading the territory of natural marital reproduction.
This embryo is then surgically implanted in the mother. The first so-called "test tube baby" was born in 1979 and is now a healthy female adult. There has been a great deal of controversy about this practice, and there are many interesting moral/religious viewpoints on the topic. Many see IVF as a way for couples to help fulfill God's commandment to be fruitful and multiply, others see it as science invading the territory of natural marital reproduction.
Abortion: abortion interrupts the development of an embryo into a living baby separate from its mother. This issue is addressed in depth elsewhere.
#[[Abortion]]: abortion interrupts the development of an embryo into a living baby separate from its mother. This issue is addressed in depth elsewhere.
Stem cells: also addressed extensively elsewhere. [[http://www.conservapedia.com/Stem_cell_research]]
#[[Stem cell]]s: also addressed extensively elsewhere. [[http://www.conservapedia.com/Stem_cell_research]]