METHODS: This 6-month cross-sectional study adopted convenience sampling; inclusion criteria were healthy pregnant women, sexually active and living together with their partner for 3 months prior to recruitment into this study. Women who received advice to avoid sexual intercourse, with any medical illness and/or those conceived via assisted reproductive technology were excluded. Participants filled in a questionnaire consisting of demographic details and Malay Version Female Sexual Function Index Questionnaire. Data were analysed using SPSS 24.0; categorical data were analyzed by Chi-square and Fisher exact test.

RESULTS: One hundred pregnant women with a mean age of 31 + 4.31 years old participated. By using the cut-off FSFI score of 26.55, 81 (81%) participants were diagnosed to have sexual dysfunction. The mean FSFI score was 20.41 ± 8.45 (range 2.6-33.5; median 23.6). All the mean FSFI scores of first, second and third trimesters were low with 22.80 ± 10.67, 23.81 ± 7.18 and 18.74 ± 8.43, respectively. The mean score for desire, arousal, satisfaction and pain were significantly lower in the third trimester than earlier gestation. There was a significant difference in the incidence of difficulties in desire, arousal, lubrication, satisfaction and pain between first and second trimester combined, as compared to the third trimester of pregnancy. Trimester of pregnancy was found to have a significant association with the incidence of sexual dysfunction.