If a woman’s gestational sac is not regular in shape, it means that there is a pre-eclampsia, embryonic arrest and inevitable miscarriage. The shape of the gestational sac in a normal woman’s pregnancy is regular, and the gestational sac will gradually change from a crescent shape to a round shape with the growth and development of the fetus. The shape of the gestational sac is not regular and the hormone level is related, if the level of blood chorionic gonadotropin is low in women’s body, resulting in poor development of the gestational sac, the tension is small, the gestational sac will be crumpled under the action of the pressure to become irregular, the shape of the gestational sac is not regular in women’s timely examination of the progesterone and blood chorionic gonadotropin, to determine the activity of the gestational sac to give the appropriate treatment, if the HCG doubles the good can take If the HCG doubling is good, you can take the treatment of fetal preservation, and do regular ultrasound to observe the state of the fetal heart, once the HC to the doubling is not good to consider the possibility of abortion.