As for the accounts from those who claimed to have seen aliens, critics identified problems ranging from the reliability of secondhand accounts, to credibility problems with witnesses making demonstrably false claims, or multiple, contradictory accounts, to dubious deathbed confessions or accounts from elderly and easily confused witnesses
या सर्व दोषांच्या निदानासाठी स्त्रीच्या ऋतुप्राप्तीपासूनची मासिक पाळीची माहिती, प्रसूतीसंबंधीचा इतिहास,जननेंद्रियांची बाहेरून व आतून तपासणी या गोष्टी नित्याच्या असतात.