Surprise! Surprise!

Description for SURPRISE! SURPRISE! by Tina Leonard:

Maitland Maternity:

Where the luckiest babies are born!

DADDY KNOWS LAST!

San Antonio, Texas

Seems one Sam Winston returned home today to discover he was a bona fide father... of twins! Was it possible that his bride, Maddie, had taken an unexpected withdrawal from Sam's Maitland Maternity sperm bank deposit? Well, two cooing newborns sure aren't going to lie! Sam's a daddy. And spittin' mad as to why his dear wife didn't let him in on the surprise nine months earlier....

Harlequin American Romance #829, June, 2000.