The Outcast, in which a heterosexual pairing between Riker and a woman named Soren is seen as a perverted aberration which is cured through forced reparative "psychotectic" therapy. At the end of the episode Soren is shown as being glad that she was cured of the heterosexual disease.

Cheers,

Puddin'

since homosexuality of any kind isn't associated with "disease," there are listed uses of the drug for many purposes, including obstetrical problems.

Dexamethasone can be used in the context of congenital adrenal hyperplasia, to prevent virilisation of a female fetus. If one or both parents are carriers of mutations to the CYP21 (CYP21A2) gene, the mother may start dexamethasone treatment within 7 weeks of conception. At the 12th week, a chorionic villus sample will determine whether the fetus is male (in which case the dexamethasone is stopped) or female. Subsequent DNA analysis can then reveal whether the female fetus is a carrier of the mutation, in which case dexamethasone treatment must continue until birth. The side-effects for the mother can be severe and the long-term impact on the child is not clear.

Note that CAH is a very serious disease which may prove fatal to the foetus, but the jump from endocrine virilisation to lesbianism is pure quackery. Some of the most "virile" women I know are raging heterosexuals, and quite a few lesbians make Tyra Banks look butch.

Dexamethasone may be given to women at risk of delivering prematurely in order to promote maturation of the fetus' lungs. This has been associated with low birth weight, although not with increased rates of neonatal death.

Interestingly, Dexamethasone is also given to mountain climbers as a treatment for altitude sickness, and to prostitutes to improve their appearance (but not their actual health) after experiencing the effects of debilitating disease and drug addiction.

As a prophylactic measure to guard against lesbianism, it's probably about as effective as paint the nursery pink and signing the girl up for ballet lessons. Oh! Wait! There are a lot of lesbian ballet dancers... Possibly a diagnostic test to identify abusive jerks in utero might be more effective, if combined with an embedded microchip so one could simply wave a discreet detection scanner at them before agreeing to a first date.

Perhaps they could even install scanners at the entrances to saloons and public houses -- as a public service -- so that an alarm horn would sound and red lights start flashing when a putz walked through the door.

Eventually, the trait might even be bred out of the human race, given sufficient time.

Cheers,

Puddin'