Question

which is an important consideration that a teen should think about before agreeing to have sex?
sex can have negative health consequences.
a womans menstrual cycle usually comes once a month.
condoms are an inexpensive barrier birth control method
sex is something that happens eventually.

Explanation:

When considering having sex, teens should be aware of potential negative health - related risks like sexually transmitted infections and unplanned pregnancy. The other options are either not directly related to the decision - making process before having sex (menstrual cycle frequency) or not the most crucial consideration (condom cost) or a non - relevant general statement (sex happening eventually).

Answer:

Sex can have negative health consequences.