The only way this option could be possible would be by looking for a natural sperm donor, which basically involves one of the partners engaging into sexual intercourse with a man. However, this practice is totally unadvisable for various reasons.
On the one hand, his semen has not been screened for infectious, genetic and viral diseases likely to be transmitted to offspring. On the other hand, legal problems may rise regarding the parental responsibilities and rights of the donor.
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