01/10/2007 at 03:00 PM EST
Marcia Cross, who is expecting twins with husband Tom Mahoney in April, has been ordered to rest in bed, her publicist said Wednesday.
"This is a precautionary measure only," spokesperson Heidi Slan tells the Associated Press. She declined to provide other specifics on the Golden Globe-nominated actress
Producers on the three-season-old Desperate Housewives,
in which Cross, 44, stars as the perfectionist Bree Van De Kamp, have opted to move production to the actress's Los Angeles home for two days at the end of this week, reports TV Guide
's Web site
On Sunday night's episode of the ABC hit, Cross was decidedly starting to show, despite the best efforts of the director of photography, since Bree is not pregnant in the storyline.
Cross and stockbroker Mahoney, 48, were married in June 2006
. In October, Cross announced on The Ellen DeGeneres Show
that she was expecting twins, saying: "I was sort of blown away that I was having twins, so I just needed a minute to deal with it."
She also said in December that she was not having problems with her pregnancy. "I haven't had a thing," she said, "I am absolutely, 100 percent fine." But she admitted, "It's hard to carry around all that weight. I wake up feeling like me and then I step on the ground and I'm like, whose body is that walking to the bathroom?"