Please choose the correct ending to complete the given sentence: Health: [header] How to have an easy labor [title] Perform kegel exercises to strengthen your pelvic floor. [step] Kegel exercises can be done at home when you are sitting in a chair or lying down in bed. Make sure you go to the bathroom and empty your bladder before you do them.

Ending1: You'll want to feel how much it feels to urinate. After draining your bladder, you can repeat the warmup exercises. Ending2: Squeeze your pelvic floor muscles for 3 seconds. Pretend you are holding in your urine to activate these muscles. Ending3: Then, take a quick and easy test run using a barbell. [substeps] Keep the barbell in one place while you are doing kegels. Ending4: [substeps] Kegel exercises are usually worth some time to learn and doing before you feel like you can go and have your baby. Kegel exercises can also be practiced while sitting in a chair or standing as they can help to tighten your pelvic floor muscles.

Answer format: ending1/ending2/ending3/ending4