Looking at the cards from the astrological house point of view-
The 5th house is the house of children, that card is the Ace of Spears
Cancer, a fertile sign which is ruled by the moon, and the moon rules reproduction- Temperance, both these cards are reversed.
In the house of unions and partnerships, the house that also rules the ovaries, is the Queen of Cups.
Scorpio- another fertile sign, that is the 8 of Swords and the Moon card, relating to reproduction astrologically.
So then, I'm going to say either , Sagittarius or Leo. This is close enough that if she became pregnant in early Sagittarius, she could give birth in late Leo.