BELLE PLAINE, Kan. (AP) — The Kansas Supreme Court issued two decisions Friday with far-reaching implications for same-sex couples, finding that parenting intentions at the moment of a child's birth are critical to establishing parental rights.

Both cases involved birth mothers who conceived through artificial insemination and were fighting petitions by their former same-sex partners to establish parentage after their romantic relationships had fallen apart. In both cases, the women had not married and they did not have written or oral co-parenting agreements.

The court found that under the Ka...