How many days pregnant can be seen?

How many days of pregnancy do color ultrasound can be seen? General menstrual regularity, 28 to 30 days menstrual cycle. Normal pregnancy state, general pregnancy after 35 days can do color ultrasound to see that there is a gestational sac. General menstrual irregularities, it is difficult to say. In addition, also afraid of ectopic pregnancy, ectopic pregnancy six weeks pregnant may not see the gestational sac. Therefore, it is recommended that after pregnancy, we must take blood to check progesterone HCG and color Doppler dynamics. Generally, there should be fetal heart buds in about seven weeks of pregnancy. If menstruation is regular, 28 to 30 days of menstrual cycle, there is no fetal heart bud in seven weeks of pregnancy. This situation is afraid that the baby will not develop well and the embryo will stop developing.