Increasing patient participation in treatment decision is important in view of the wide choices available. Decision aids come in a variety of formats including leaflets, audiotapes, decision boards, computer programs, videos, websites, and structured interviews. These were examined in a randomized controlled trial with 2 years of follow-up of 894 women [19,38]. Women were randomized to the control group, information alone group (booklet and video), or information plus interview group (interview). Hysterectomy rates were lower for women in the interview group (38%) (adjusted odds ratio [OR], than in the control group (48%) and women who received the information alone (48%). The interview group had lower mean costs ($1566) than the control group ($2751) (mean difference, $1184; 95% CI, $684-$2110) and the information group $2026 (mean difference, $461; 95% CI, $236-$696). Thus, providing women with information alone did not affect treatment choices; however, the addition of an interview to clarify values and elicit preferences had a significant effect on women's management and resulted in reduced costs.
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The first trimester is very important for the mother and the baby. For most women it is common to find out about their pregnancy after they have missed their menstrual cycle. Since, not all women note their menstrual cycle and dates of intercourse, it may cause slight confusion about the exact date of conception. That is why most women find out that they are pregnant only after one month of pregnancy.