Follicle monitoring requires an ultrasound, which usually costs $90-100 a visit. Follicle monitoring is suitable for women who need to prepare for pregnancy, can observe the state of follicle development, observe whether the follicle can develop and mature normally and the time of ovulation, after the mature follicle rupture, have sex can play the best effect of fertilization, follicle monitoring has positive significance in guiding pregnancy, usually 90-100 yuan a time, but need to carry out multiple examinations. If there is a need to prepare for pregnancy, it is recommended to seek medical attention in a timely manner, and follicle monitoring under the guidance of a doctor can better utilize the significance of follicle monitoring and promote successful conception. If it is also accompanied by polycystic ovary syndrome, early onset ovarian reserve dysfunction, etc., it is necessary to seek timely medical treatment to promote the birth of a healthy baby.