HCG 1800μg/L is usually more than thirty days pregnant.
Generally after the formation of a fertilized egg after conception at coitus, the HCG concentration can be measured in the blood in about one week, and in two weeks the HCG can reach 100 μg/L and double in the interval of 1.7-2 days. For women who have regular cycles with menstrual intervals of 28-30 days, after successful conception, HCG usually reaches about 1800 μg/L when the menopause lasts for more than 30 days.
At this time, because of the short duration of conception, the gestational sac is often not yet visible on ultrasound. Regular follow-up is usually recommended, and if there is a trend towards normal growth, this indicates that the embryo is developing well.
Blood HCG assessment of pregnancy week will also have some differences, usually one week to two weeks to do a comprehensive assessment of ultrasound, and can confirm the location of the gestational sac and the development of the pregnancy sac, after six weeks of pregnancy can usually see the fetal buds and fetal heart, it is recommended to follow the doctor’s instructions for regular pregnancy tests.