EDMONTON — An Alberta woman is asking the Supreme Court of Canada to rule on a case that legal experts say affects the rights of single parents to make decisions about their families and relationships.

The Calgary woman wants to absolve her common-law husband of any obligations to her child and has sought leave to appeal her case to the high court.

The woman, known only as Jane Doe, became pregnant by artificial insemination with another man's sperm.

But she signed a pre-parenting agreement stating her common-law husband would not be considered the child's father.

Last February, the Alberta Court of Appeal ruled against the agreement, saying the common-law husband will inevitably act in the role of father because he lives with the woman and her child.

Alberta Crown lawyers have filed arguments against her leave to appeal request, which the Supreme Court is expected to rule on later this year.