Eligible couples refers to methods that are adopted by eligible couples for having physically and psychologically healthy conception and pregnancy

It consisted of 34 knowledge items to assess the knowledge of Eligible couples regarding Eugenics. The following content areas were:

• Concept of Eugenics
• Screening of Disease
• Nutrition
• Vaccination
• Lifestyle
• Exposure to substance abuse or toxins All 34 test items were multiple choice questions. Each item had a single correct answer. Every correct answer was awarded a score of '1' and every incorrect answer was assigned a score of 00. The maximum possible score was 34 and minimum score was 00 on the structured knowledge questionnaire . Higher score indicated that eligible couples have good knowledge regarding Eugenics. Based on scoring criteria on Structured Knowledge Questionnaire, knowledge was categorized into four level of knowledge.Excellent (27-34),Good (21-26),Average (17-20),Below average(0-16)

Scale consisted of 30 items on which the respondent had to respond on 5- points Likert's scale.Each statement score was divided as strongly agree, agree, undecided, disagree, strongly disagree (maximum score was 150 and minimum score was 30).Tool had 15 positive items and 15 negative items.Positive statements were scored SA (Strongly Agree) -5, A (Agree)-4, U (Undecided)-3, D (Disagree)-2, SD (Strongly Disagree)-1. Negative statements were scored SA (Strongly Agree) -1, A (Agree)-2, U (Undecided)-3, D (Disagree)-4, SD (Strongly Disagree)-5.

Based on scoring criteria on Structured Attitude Scale, Husbands and Wives attitude was categorized into three level of Attitude Favourable (225-300), Moderately Favourable(180-224),Unfavourable(60-179)