Please choose the correct ending to complete the given sentence: Health: [header] How to spot a fertility scam [title] Look for references. [step] Many fertility scams will advertise that " research " has proven that a certain treatment will help you get pregnant with no side effects. Whenever you see statements about proven research, you should always look into the actual studies behind the research to make sure that the claims are not false.

Ending1: [substeps] If the following statements are repeated as positive or negative, you may have a fertility scam. Double check the claims before you call to make sure that their validity has been challenged. Ending2: [substeps] A reputable fertility scam advertises that doctors and therapists will cure the problem. Such claims are sometimes far-fetched. Ending3: For instance, check websites for direct references to medical studies. If the claims are true then the site will likely provide adequate referencing. Ending4: [substeps] If the statement is true, look for any testimonials or references from women. Any reputable, truthful friend or family member may have told you that they were a fertility fertility scammer.

Answer format: ending1/ending2/ending3/ending4