Name : Kamala
Date of Birth : 9-10-1976
Time of Birth : 6:00 Hrs (IST)
Place of Birth : Cochin (India)
Query :  I have a girl child 5yrs old, is there any chance of a second child?

Kamala,
Was there any miscarriage?
Currently you are passing through Mahadasha of Moon and Anterdasha of Jupiter (Retro) lord of seventh house.
Moon is placed in the house of mysteries with Ketu. That’s the reason, you have raised this question.
Jupiter is also retrograde, so possibility of something misfired.
But Jupiter is placed in the house of fortune, I think, possibility is there, but I have not clarified from any divisional charts.

If required seek medical advice.
Perform some Pooja for Jupiter and Moon.