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Biology Assignment

Submitted by oppapers on October 8, 1999

Category: Miscellaneous
Words: 2538 | Pages: 11
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Biology assignment - In Vitro Fertilization.



In Vitro Fertilization (IVF), is the procedure whereby human babies are conceived, not in the womb but in a test tube or a Petri dish. This procedure has become one of the greatest developments in the world of medical technology. In Vitro Fertilization has given infertile couples the chance to conceive and bear a child from a full term of pregnancy. Without this procedure, their infertility would render them childless.



There are many aspects of the IVF program that have been both praised and criticized. The legal, ethical and social repercussions of the IVF program have created great debate and controversy. This essay will demonstrate the procedures used in the IVF program and set out the arguments for and against it.



There are many reasons why couples cannot conceive or bear a child for a full term of pregnancy. The process of natural fertilization can only be achieved if the male and female reproductive organs are functioning without any abnormalities.

The reproduction process begins with the male producing sperm in the testes and the female producing an egg in the ovaries. Once every 28 days or so, an egg matures in the ovary, bursts from its follicle and enters the Fallopian tube.

Once sexual intercourse has taken place, millions of sperm released from the penis swim up the vagina, through the uterus and into the Fallopian tube. ‘A single sperm fertilizes the egg; the others are locked out.' (Time, 1997, pg. 66) Once the egg has been fertilized, cell division begins and the embryo drifts down the Fallopian tube. The embryo reaches the uterus in about a week. The embryo anchors itself to the wall of the uterus where it develops into a foetus. The foetus feeds off nutrients and oxygen provided by the placental lining in the uterus.



There are several conditions in both...

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