Hello Dr. Sir mujhe thyroid h Jo ki ab control me in h aur thyroid specialist k yes k baad h Maine aur mere husband ne baby plan kiya in January 2017. So now I am pregnant. Abhi 10.2.2017 Ko Maine ultrasound karaya jisme sac to visible with 6 weeks and 2 days. But yolk sac and fetal pole have not seen. Please advise kya chances h pregnancy Sahi rehne k aur kya karna h Jo yolk sac and fetal pole kyu normally seen NH h.

Dr. Sajeev KumarGeneral Physician32yrs exp

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A six-week ultrasound can determine the location of the embryo and ascertain that it is in the correct place in the uterus. If the pregnancy is an ectopic pregnancy, with the embryo implanted outside the uterus in the Fallopian tube, this can be determined based on the blood flow patterns seen via ultrasound. He fetal heartbeat is often detectable at a six-week ultrasound. The normal fetal heartbeat at six weeks is about 90 to 110 beats per minute. Detecting a heartbeat at this stage indicates that the pregnancy will probably continue and not end in miscarriage, although this is not absolutely guaranteed. If the sonographer cannot detect a heartbeat, the pregnant woman will generally be advised to come back in another week or two to check again, since sometimes a heartbeat that is undetectable at six weeks may be stronger and more noticeable at seven weeks or more. Fetal Pole The fetal pole is the basic overall shape of the embryo, which can be seen via sonogram at around the six-week mark. The fetal pole resembles a bean in shape, which the technician can look at and determine the head and rump ends of the embryo. Seeing the fetal pole allows the sonographer to measure the size of the embryo. Chorionic Sac and Yolk Sac The chorionic sac, sometimes called the gestational sac, is the circular sac of liquid that encases the fetus throughout all of its development in the womb. The yolk sac sits within the chorionic sac and provides nourishment to the embryo until the placenta has been established and nutrients begin to flow in through the umbilical cord. Both the chorionic sac and yolk sac should be visible in a six-week ultrasound.  

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