Sometimes this is logical, other times it seems like an attention grab. It is fairly common for certain communities on, for example, Livejournal to be overly sensitive to people's 'triggers' (often but not always relating to sexual assault)--any mention of violence may be censored.
Why having kids later is a really big deal. The average age of American women having their first child reached a record high of 26 years old in 2013, according to the Centers for Disease Control and Prevention's National Vital Statistics Report.
A new study of nearly 1,000 low-income families in three major cities found that one in four children between the ages of 11 and 16 reported having sex, with their first sexual intercourse occurring at the average age of 12.77.