Eichel · Journal of sex & marital therapy 1988 · non-randomized controlled comparative study · n=86

The technique of coital alignment and its relation to female orgasmic response and simultaneous orgasm.

Cited 61 times in the scientific literature.

Level 3 - non-randomized controlled study

Non-randomized controlled comparative survey study

PubMed 3204637 · doi:10.1080/00926238808403913 · record verified 2026-08-27

What was done

Researchers evaluated the Coital Alignment Technique, a missionary position variation designed to maintain clitoral contact through coordinated pressure-counterpressure movement. A questionnaire was administered to an experimental group of individuals who had learned the technique (n = 43; 22 females, mean age 39.7) and a volunteer control group with no knowledge of the concept (n = 43; 22 females, mean age 38.7). Outcomes were analyzed using analysis of variance, post-hoc LSD tests, and Pearson product correlations across all participants (N = 86).

What was found

Experimental females showed statistically significant differences favoring the technique compared to control females on measures of coital orgasm, simultaneous orgasm, and orgasm experienced as complete and satisfying (p < .05, two-tailed). Greater adherence to technique behaviors across all 86 participants correlated positively with these outcomes and additional sexual satisfaction variables (p < .01). Exact numerical scores, effect sizes, and correlation coefficients were not reported in the abstract.

Why it matters

The paper introduces structured coital positioning focused on sustained clitoral stimulation as an option to improve female coital orgasmic response and partner simultaneity.

Limits

The study used a non-randomized, non-blinded comparative design subject to substantial self-selection and expectation bias. The sample size was small (N = 86 total across four subgroups), relied entirely on self-reported questionnaires, and baseline pre-intervention orgasmic function was not described in the abstract.

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