Ultrasound suggests that the absence of echoes in the uterine cavity may be pregnant, and it is recommended to combine with the results of human chorionic gonadotropin to make a comprehensive judgment.
Generally in pregnancy 5 ~ 6 weeks ultrasound can detect the yolk sac, but there are individual differences, after detecting the yolk sac can be diagnosed as intrauterine pregnancy, before the ultrasound generally suggests that the uterine cavity of the echogenic zone, at this time can not be sure is 100% pregnant, should be combined with the results of the blood of the human chorionic gonadotropin to determine the synthesis of the results, such as higher than the normal range of the state is suggested for the state of pregnancy.
The absence of echoes in the uterine cavity may also be the accumulation of blood or fluid in the uterine cavity. If the ultrasound suggests an abnormality, it is recommended to consult the obstetrics clinic in a timely manner, and complete the relevant examinations under the guidance of the doctor to make a clear diagnosis.