In the seventh week of pregnancy the fetus is still a gestational sac under ultrasound, the basic fetal shape of the fetus can be observed, the head, trunk and limbs can be observed, the facial development is still not perfect, the fetus at this time already has a fetal heart and buds, according to the different speed of development of the embryo, there may be a slight difference in the embryo’s growth and development.
Depending on the development of the embryo, the fetal buds and heart may be delayed. If the fetal heart and fetal buds are not observed after the eighth week, examination is required to determine the development of the embryo.
In addition, during the period of conception, it is easy to be influenced by the mother and the external environment, which has an important effect on the development of the embryo, so it is necessary for the mother to maintain a balanced nutritional intake and avoid external environmental interference, it is recommended to conduct regular pregnancy tests, supplement nutrition, maintain a relaxed mood, and if there is any discomfort, it is necessary to consult a doctor in a timely manner.