Rainbow condom

A guy who went into the adult section of a department store to buy condoms.
The female clerk told him, “We have the rainbow assortment on sale today, would you like those?”
The guy said, “Good, I’ll take a box.”
A few months later, he went into the women’s clothing section and saw that this same female clerk was transferred into the maternity section.
The guy said, “I’d like to buy a maternity blouse.”
The clerk asked, “What bust?”
To which he replied, “One of the goddamm blue ones