ma 'these' ne fait que reflete les travaux en cours.
ils ont montré qu'un desiquilibre hormonal au cours du developpement foetal etaient à meme d'engendrer une homosexualité.
meme si cela ne correspond pas à toute les forme d'homosexualité bien evidement
j'ai posté je ne sais combien d'articles a ce sujet ici sur bladi
http://www.bladi.info/131336-lhomosexualite-lislam/index26.html#post4143453
En effet, je suis allé voir vos lien, et j'en ai trouvé quelques autres sur pubmed allant dans ce sens comme celui ci qui est interessant sur l'hyperandrogenie feminine comme facteur de risque d'homosexualité feminine :
Prevalence of polycystic ovaries and polycystic ovary syndrome in lesbian women compared with heterosexual women.Agrawal R, Sharma S, Bekir J, Conway G, Bailey J, Balen AH, Prelevic G.
The London Women's Clinic and The Hallam Medical Center, London, United Kingdom.
ganapaty@dircon.co.uk
OBJECTIVE: To determine the prevalence of polycystic ovaries (PCO) and polycystic ovarian syndrome (PCOS) in lesbian women compared with heterosexual women undergoing fertility treatment. DESIGN: A prospective observational study. SETTING: The London Women's clinic and The Hallam Medical Center. Tertiary referral fertility setup. PATIENT(S): Six hundred eighteen women undergoing ovarian stimulation with or without IUI treatment between November 2001 and January 2003. Of these, 254 were self-identified as lesbians and 364 were heterosexual women. INTERVENTION(S): Baseline pelvic ultrasound examination and blood tests conducted to measure biochemical parameters such as FSH, LH, E(2), PRL, T, androstenedione (A), sex hormone-binding globulin (SHBG), and DHEAS were performed between day 2 and 3 of each woman's menstrual cycle. Tubal patency tests were performed by hysterosalpingography or laparoscopy. MAIN OUTCOME MEASURE(S): Biochemical parameters. RESULT(S): Eighty percent of lesbian women, compared with 32% of the heterosexual women, had PCO on pelvic ultrasound examination. Thirty-eight percent of lesbian women, compared with 14% of heterosexual women, had PCOS. There were no significant differences in the androgen concentrations between lesbian and heterosexual women with normal ovaries. However, lesbian women with PCO and PCOS had significantly higher androgen concentrations compared with heterosexual women with PCO and PCOS. Tubal disease was as common in lesbian women as in heterosexual women. CONCLUSION(S): There is a significantly higher prevalence of PCO and PCOS in lesbian compared with heterosexual women. Lesbian women with either PCO or PCOS had more pronounced hyperandrogenism than did heterosexual women with either PCO or PCOS.
Cependant, ce n'est pas la ce que je reprochais a votre post. Je trouvais un peu peremptoire de votre part d'affirmer "Freud avait tord.
l'homosexualité a une origine physiologique (developpement intra uterin)"
Il me semble que la complexité du sujet rend dangereuse ce genre de raccourcis.
Il est aisé de trouver des travaux sur l'influence d'évenements de vie sur le choix d'orientation sexuelle, par exemple :
The impact of sexual abuse on sexual identity formation in gay men.Brady S.
Mental Health and Behavioral Medicine Program, Boston University School of Medicine, Boston, MA 02118, USA.
sbrady@bu.edu
Emerging data suggests that as children, gay males have an increased risk for physical and sexual abuse. Anecdotal evidence suggests that a significant subset of children abused by clergy identify as gay as adults. However, we know very little about the impact of clergy-perpetrated sexual abuse in childhood on the development and psychosocial functioning of gay men. This article describes the incidence of childhood abuse in the lives of gay men and the probable impact of clergy-perpetrated sexual abuse. In the treatment of gay men sexually abused as children, including those abused by clergy, providers should use a normative frame for gay identity development such as the Homosexual Identity Formation Model. This treatment model, highlighted with case material, is also discussed.
PMID: 19042606 [PubMed - indexed for MEDLINE]
J'espere que mon propos est plus clair ainsi.
Cordialement