Multiple Births
          Beginning of paper
 are rare in humans with twins as being the most common form
of this event.   can arise in many different combinations of ways
but the probability of giving birth to more than one child remains fairly
constant when compared to the entire human race.  The chances of 
can also vary from race and gene ....          
Middle of paper
....  babies born in a
single pregnancy, to survive in medical history were the Dionne quintuplets.
	The use of drugs that treat female sterility, or fertility drugs, may
increase the chances of giving birth to multiple children.  These drugs cause
the ovaries to release an egg once a month but in some cases they release more
than one egg, sometimes releasing several at a time, increasing the chances of a
multiple birth.  The drug clomiphene citrate is one of the most widely taken
fertility drug an ....          
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          Word count: 1090 
 Page count: 4 (approximately 250 words per page)