* lord of children/5th house Sun is debilitated in 7th house is aspected by Saturn sitting in 5th house (also 5th house is hemmed between Mars and Rahu).
* Also Sun is in star of retrograde/weak Jupiter and has a eunuch planet Mercury as its sublord weakening it further.
* Saturn though 11th lord sitting in 5th house delays children and given its in star of Ketu and has Rahu as sublord sitting in 6th house, it becomes weak as well.
* Karaka of sperms Venus is placed in 6th house in Chalit
Get advice of doctor/specialist as you definitely need help. Strengthening Sun via mantra or other means will help as well.