Brisley's real-life pregnancy was written in to the scripts.

In 2006, Chambers stepped into the role (Haskell was unavailable at the time due to her real-life pregnancy).

Jordan's pregnancy was written into the script following the September news of Peet's real-life pregnancy.

During season 4, Seymour's real-life pregnancy was written into the show.

Teyla's pregnancy in season 4 was the result of Luttrell's real-life pregnancy.

Devon eventually became pregnant in a relationship with another man and sold the station (Kilbourne was undergoing a simultaneous real-life pregnancy).

The show was put on hiatus for most of the 2003-2004 season to accommodate Hennessy's real-life pregnancy.

In 2007, her real-life pregnancy was hidden on the show at first, but was then written into the plot.

Shepherd's real-life pregnancy and a skiing accident in which Willis broke his clavicle further contributed to production delays.

Later, she gives birth to four more, incorporated by Perlman's real-life pregnancies.