If you have had sex you should get checked. but some peoples periods arent regular all the time
The bottom line: Dieting is limiting, leaving people with few choices, while healthy behaviors expand choices, increasing the likelihood of success.
Good nutrition is an important part of leading a healthy lifestyle. Combined with physical activity, your diet can help you to reach and maintain a healthy weight, reduce your risk of chronic diseases (like heart disease and cancer), and promote your overall health.
Go for longer reps each day then rest and it will improve your lower body strength.