Two to three follicles in the left ovary is normal. In women of childbearing age, 3 to 10 follicles develop in the ovary each month. As the follicles grow, usually only one or two follicles mature, and ovulation occurs when they reach about 18 to 23 mm in size, and the other small follicles will naturally atrophy. Women’s ovarian ovulation usually alternates between left and right, so it is usually normal for 2 to 3 follicles to develop in the left ovary, indicating that ovulation is going to take place on the left side of the body this month, which is normal. Ultrasound examination of the left ovary 2 ~ 3 follicles, if you need to prepare for pregnancy, can be in the doctor’s help to clarify the follicle development, and follow the doctor’s instructions to deal with in order to successfully conceive.