From the Stars to the 1970s: Find a Soldier to Have a Baby With

People in the interstellar era have lost the ability to reproduce. How are they supposed to have children? I'm in a hurry, waiting for answers online. Ye Wenwan receives an urgent mission and returns to the 1970s. Oh no, an evil female supporting character who has transmigrated into a book is causing trouble. She must save the family who doted on her, because in her previous life they all became major villains; repay the man who saved her, because he died horribly in her previous life; and collect supplies from ancient Earth. And while she's at it, have a baby with that soldier...