40 days after menopause B ultrasound did not see the pregnancy sac how to do

40 days after menopause B ultrasound did not see the gestational sac, usually because the fertilized egg implantation is late or ectopic pregnancy caused. You can go to the hospital obstetrics and gynecology examination, the existence of ectopic pregnancy can be carried out Qing Dynasty. Excluding ectopic pregnancy, you can check B ultrasound after a week to see if there is a gestational sac.