Both Ball and Arnaz were worried that their show would be canceled once Lucy discovered she was pregnant, but they were convinced to write it into the show (via HuffPost). Though many cite "I Love Lucy" as having the first pregnancy story on television, that honor goes to "Mary Kay & Johnny," back in 1948; however, the popularity and influence of "I Love Lucy" was much more significant, so much so that a priest, minister, and rabbi were called in, not to form the punchline of a joke but rather supervise the script to see if it was offensive. All three had no issues, not even with the word "pregnant."

Executives still found it distasteful, opting instead for phrases like "expecting" and "blessed event." Even the episode title resorted to using the French word for "pregnant," which also is never spoken during the episode. The pregnancy storyline took over the next few episodes of the show, a landmark moment for television for a series that has certainly had its fair share of landmark moments.

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