The Sex Clinic

16LS Marco is in desperate need of an STI test after discovering a worrying lump. Harriette is struggling to get wet during sex and it's beginning to take its toll on her self-esteem.

16LS Chloe wants advice on a new sexual technique. Taps is desperate to find out what's holding him back during sex. Tracy is concerned her high sex drive could be an addiction.

16LS Hugo arrives for an STI test and has cause for concern - he's had over 1000 partners and rarely uses condoms. 17-year-old Lonan has yet to lose his virginity and is keen to get some advice ahead of his 'first time'.

16LS Singleton Matt has been on a pulling spree, but he rarely uses protection. He arrives for an STI test, but ends up trying to get to the bottom of his need for female attention with resident sex and relationship therapist Charlene.

16LS Rae arrives with his mate Hayden after finding out that a former partner has been diagnosed with an STI. Couple Jack and Zofia seek advice on maintaining their BDSM sex life alongside Jack's medical condition.

16LSC Massage therapist Rachel arrives for an STI test. Connor is keen to get some tips on being submissive in the bedroom. Louis has been a naughty boy on a lads' holiday so is in desperate need of a check-up.

16SC Kamen arrives for an STI test. Sharif needs advice on how to raise his confidence in the bedroom. Daniela finds sex painful and is hoping a consultation with Dr Naomi will finally help her get to the bottom of the problem.

16L Sophie comes in for an STI test after a recent hookup didn't go as planned. Matt is hoping sexual health advisor Kevin can help him with an awkward problem.