Complex sentence: In March 2010, the Swiss Government announced that it was planning to promote smaller condoms intended for boys of 12--14 years old following concern about the pregnancy rate among adolescent girls, and also about the potential spread of AIDS among this age group.
Split into simpler sentences: In March 2010, the Swiss Government announced that it was planning to promote smaller condoms intended for boys of 12--14 years old. The Government was concerned about the pregnancy rate among adolescent girls, and also about the potential spread of AIDS among this age group.