Desire for Another Child

Hello Rabbi, I have a question: I am 42 years old, married for 3.5 years, and there is no peace at home. We have 3 children, a son and two daughters, all through fertility treatments. I prayed and continue to pray for a normal pregnancy and to give birth to a healthy child, and indeed, I became pregnant naturally without fertility treatments, but unfortunately, I need to undergo a curettage as the fetus did not develop. I want more children, and the doctors say that for this, fertility treatments or IVF are needed. My husband does not want such efforts or to turn to Bonei Olam, Dorot Institute, or Puah Institute, but only naturally: if there will be a child, then there will be, if not, then not. What can be done? Should I give up my desire to make efforts to have more healthy children? Or get divorced? Because of my age, I am stressed.

Hello,
There is no permission to divorce for the sake of having more children.
There is also no reason to think that if you divorce, you will immediately be able to marry a man who will be interested in treatments to have more children.
In my opinion, you are damaging your peace at home — something you are obligated to maintain, for the sake of another pregnancy — something you are not obligated to.
I do not know you, but according to your description, your husband is right.
Leave the decision in the hands of God, He knows what is good for you, and what is good for both of you.
Continue to pray for a pregnancy, and at the same time invest in peace at home. And God will do what is best for you.
Wishing you much success and good news.