Ovulation occurs in the ovaries and the follicle ruptures after ovulation, but there is no such thing as a follicular shell. A woman’s ovaries have the role of ovulation, the egg cell grows and matures in the follicle, when the follicle develops to a certain extent, the egg cell will be discharged, after the egg cell is discharged, the follicle will gradually develop into the corpus luteum, after ovulation, the level of progesterone in the body will gradually increase, which is secreted by the corpus luteum. There is no such thing as a follicular shell in ovarian tissue. It is recommended that women who have the need to prepare for pregnancy monitor their follicular development on a regular basis, and if there is a case of follicular immaturity, they need to go to the hospital in a timely manner. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pay attention to rest, at the same time should be relaxed, to avoid nervousness, anxiety, there is any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.