Follicular studies  help determine any problems that may be the root cause of why you are not getting pregnant. Using this scan, the doctor will be able to identify problems if any, associated with the growth and rupturing of the follicle. The scan can also detect any problems with the womb lining which may be one of the reasons that make it difficult to conceive. This scan can help in preventing and correcting these conditions. Follicular tracking is an excellent way of understanding your ovulation cycle .