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Research on the mechanisms and factors influencing female orgasm, including anatomical, neurobiological, hormonal, and psychosocial aspects.
Laboratory studies define the female orgasm using a range of physiological markers—vaginal blood flow/engorgement, pelvic and uterine muscle contractions, and neuroendocrine changes such as prolactin ...
Labor-based evidence directly comparing time-to-orgasm for oral sex (cunnilingus) versus manual clitoral stimulation is scarce; most empirical data are large surveys, laboratory masturbation protocols...
(clitoral) stimulation is consistently associated with higher female orgasm rates in survey and observational literature, and longer with a greater variety of clitoral-focused activities raise the odd...
Experimental and clinical literature shows a mix of event‑level, couple‑focused interventions tested to increase women’s orgasm likelihood: explicit emphasis on sufficient and partner pursuit of femal...
Research consistently shows that from stimulation that directly targets the clitoris—whether delivered by a partner’s mouth or hand—than from penile‑vaginal intercourse alone, and that adding oral or ...
Variations in vestibular bulb size and position change how much erectile tissue surrounds the vaginal entrance and how much that tissue is mechanically and neurologically engaged during arousal, which...
Functional imaging shows both shared “orgasm” circuitry (reward, limbic, brainstem and cerebellar regions) and stimulation‑specific differences mapped in the somatosensory cortex: direct clitoral, vag...
Anatomical measurements such as anterior vaginal wall thickness (often measured as distance to the pubic bone or “urethrovaginal” space) and vaginal girth correlate with patterns of neural innervation...