Hello Mam.
Vakri Jupiter in Astrology is known to bless a person with 1 male child. This has already happened with you.
Now rest all dasha are not supporting child birth. If you have knowledge of astrology, your horosope has Mars + Ketu in 5th House from Moon. 5th House from moon is very important in ladies chart to analyse her motherhood. Both Mars and Ketu are violent planets and do not support child birth and caused you all these miscarriages.
Age is also not supporting you much now. If you still want to have another child. Then plan it in Sep 2029. From Sep 2029 to Jun 2029 is strong possibility of having child as per dasha. This will be Jup/Venus period. Both are supportive for child birth in your horoscope.
Otherwise i do not see any possibility of having another child in coming periods. All other dasha are not supporting child birth.
Regards
Dr Sandeep Bansal