Words have meaning, even though people like you try to stretch them into incoherence to fit your agenda.

The birthing terms in John 3 are part of a range of similar ones, describing the Resurrection and the Kingdom.

For a recent scholarly study, try "Labor of God" by Thomas Andrew Bennett.

https://www.scribd.com/read/470930230/Labor-of-God-The-Agony-of-the-Cross-as-the-Birth-of-the-Church