The mother that would have a procedure like this done discover late in their pregnancy that the unborn fetus could not survive outside their wombs for one [This is a run-on sentence because there is not a comma before the conjunction. Run-on sentences occur when conjunctions (and/or) and punctuation marks (commas and semicolons) are not used properly. ] reason or another.

Can some help me to fix this sentence

2 answers

Is this what you were aiming at?

Mothers, who have this medical procedure done later in their pregnacy , may discover that the unborn fetus can not survive outside the womb.
Thanks I have struggled with the writing process.