Gestational sac and fetal bud size comparison table

During pregnancy, pregnant mothers are very concerned about the condition of the gestational sac, fetal bud and fetal heart rate. Accurately knowing the nominal sizes of the gestational sac, embryo bud and fetal heart rate will make mothers feel more at ease. So what is the list of gestational sac, embryo bud and fetal heart size? I hope the following values ​​can help all mothers to have a general understanding of their current pregnancy status.

Table of sizes of gestational sac, embryo and fetal heart

Week 5: The baby is 0.4cm in size, and a small gestational sac can be seen by B-ultrasound, or the embryonic bud and fetal heartbeat can be seen from it.

Week 6: The baby is 0.85cm, the gestational sac is clearly visible on ultrasound, and the embryonic bud and fetal heartbeat can be seen.

Week 7: The baby is 1.33cm in size. The embryonic bud and fetal heartbeat can be clearly seen by B-ultrasound. The gestational sac occupies about 1/3 of the uterine cavity.

Week 8: The baby is 1.66cm. The baby's shape and fetal movements are clearly visible, and the yolk sac can be seen.

Week 9: The fetus is 2.15cm, the fetal head is larger than the embryo, the gestational sac basically fills the uterine cavity, and the embryo begins to appear.

Week 10: The fetus is 2.83cm, the fetal internal organs are formed, the gestational sac begins to disappear, and the crescent-shaped embryo is visible.

Week 11: The baby is 3.62cm, the gestational sac has completely disappeared, and the embryo is clearly visible.

Differences in the growth and development of fetal heartbeat and fetal heart

Generally speaking, in the early 50 days of pregnancy, B-ultrasound can show the gestational sac, fetal bud and initial cardiovascular heartbeat, indicating that the baby's development is normal, so regular prenatal check-ups are necessary. In some cases, after about 40 days of amenorrhea, if the embryo is developing normally, the fetal bud and fetal heartbeat can be seen by B-ultrasound examination. It is also possible that the fetal heartbeat cannot be heard due to developmental delay, but the fetal bud and fetal heartbeat can be seen. If there is no abnormality, a pre-pregnancy B-ultrasound examination can be performed at 20, 24, 28, 32, 36, 37, 38, 39, and 40 weeks of pregnancy.

For many expectant mothers, it is a very happy thing to clearly understand how the baby in their belly changes every week. Going to the hospital for check-ups on time can not only help you understand the condition of your baby, but also make you feel more at ease, and allow doctors and nurses to help you and your fetus in time.