Finally, FDA had approved one pill named Ella which is quite effective up to 5 days after having sex, that delays the ovulation.

It is also known as ulipristal acetate, which was gone for analysis in the month of June and had approved fully by the Food and Drug Administration review board members.

It was tested in the laboratories for its safety and efficacy through the two phase’s three clinical trials. Moreover, FDA said “provided compelling data on efficacy and sufficient information on safety for the proposed indication of emergency contraception.”
However, this drug or medicine is made available in Europe only under doctor’s prescription was sold under the name of EllaOne .Plan B is the major competitor for this one in U.S.

Here the major difference between Ella and PlanB is where as Plan B is hormone based pill which can used in regular birth control pills. But Ella will be effective for more than 73 hours after having sex.

Nevertheless, they must be taken in emergency under the guidance of doctor, as different dosages may show different side effects .This Pills normally contain estrogen and progestin hormones. Within 72 hours, they can be taken to reduce the risk of being pregnant by 75 percent.