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Book where there were only women left on the Earth. Someone found male DNA and there was a battle over whether they wanted to produce a male child. I don't remember much, but I remember someone left the lab with with the DNA.
It is from the late 70's or early 80's.
"When It Changed" by Joanna Russ
Is not on Earth; it is a planet colonized only by women.
Is not a book, but it is a short story nominated for Hugo and Nebula awards.
They do not find male DNA, but male DNA does come to them when the first male astronauts arrive.
I don't know that there is a "battle", but there is immediate internal and external struggle: if they do breed with the male astronauts, life as they knew it is over.
If your memory on the story is hazy, then this is a partial match for it.
