Once you take it, ella® works by delaying ovulation. ella® is most effective the sooner you take it. Upon intake of ella after unprotected sex, ovulation is delayed for five days.
Generally, ella® is well tolerated but, like any medicine, some people experience side effects after taking ella®. For more information about potential side effects, please see here.
It is important to remember that ella® is only effective for a specific instance of unprotected sex. Taking ella® will not protect you for future occasions of unprotected sex. Your fertility will return to normal very quickly, and you should use a condom or other barrier method until your next period arrives, even if you are using a hormonal method of contraception like the pill.