In your husband’s chart, the 5th lord is in debilitation. Cancellation is via Venus but Venus itself is the lord of a Dagdha Rasi, Tula and is eclipsed by Rahu. The occupants of the 5th house are Mercury and Sun. Both these planets are not very useful for begetting children. Karaka for children Jupiter is in the 8th and in the Dagdha Rasi.
These placements do not positively influence childbirth. Remedial measures like Jalabhisheka to Lord Shiva may help to some extent.
In your chart, the 5th lord Jupiter is in the 6th Bhava (7th rasi). No planet occupies the 5th bhava (retrograde Mars in the 5th sign moves to the 4th bhava in the bhava chart). 5th house is aspected by Mercury, the 8th and 11th lord. The 8th house signifying the womb is also under influence by Saturn, Rahu and Mars.
Saptamsa Lagna is of Kumbha and occupied by Sun. The 5th house is a barren sign occupied by retrograde Mars and Rahu. Karaka Jupiter is in the 8th house.
These placements also make childbirth a difficult event without the blessings of Lord Shiva.
Your husband’s transfer can be expected after June 2026.