Question

تا وقتی که به سن 19 سالگی رسیده بود در نتیجه حالت قاعدگی درونی اش، به مشکلات پزشکی زیادی پیدا کرده بود.

Accepted Answer

And it was only when he had reached the age of 19 that he began to have enough medical problems actually from menstruating internally,

Front	تا وقتی که به سن 19 سالگی رسیده بود در نتیجه حالت قاعدگی درونی اش، به مشکلات پزشکی زیادی پیدا کرده بود.
Back	And it was only when he had reached the age of 19 that he began to have enough medical problems actually from menstruating internally,

به تا وقتی که سن سالگی رسیده بود