Emergency contraceptive pills are generally hormonal and will only have some effect on pregnancy in the current month. If there has been a one-month gap, pregnancy at this time will not have any effect and will not affect the health of the fetus. However, because emergency contraceptive pills will cause some changes in the body’s endocrine hormones, when there is pregnancy, as far as possible to give birth control treatment. If there is abdominal pain in the early stage, or even bleeding, go to the hospital in time to take blood tests for progesterone and estrogen, so as not to affect the health of the fetus due to endocrine hormone disruption caused by emergency contraceptive pills, and early treatment for fertility preservation can be given. If there is no abdominal pain and bleeding, you can go to the hospital for ultrasound examination when you are about 42 days pregnant to determine whether it is intrauterine pregnancy or ectopic pregnancy, to ensure the stability of the fetus can be.