Her mother, Andrea, is a former dancer herself and she has a younger brother and sister, James and Zaylie.

BBC: Darcey Bussell: Ballet superstar

There is, however, at least one way that a fetus without an SRY gene can be exposed to testosterone in the womb and that is if she has a twin brother who is releasing his hormones into the fluid that bathes them both.

ECONOMIST: Homosexuality

She has lovers, a brother and two patients.

ECONOMIST: Lost in Warsaw

Happier tidings for GMTV's Pembrokeshire's Fiona Phillips though - she has given birth to her second son, who is yet to be named and a brother to Nathaniel who will three in two weeks - and EastEnders actress Charlie Brooks, from Barmouth - she has been celebrating her 21st birthday with fellow cast members Dean Gaffney (Robbie), Michelle Ryan (Zoe) and Lucy Speed (Natalie).

BBC: On the global Taff Trail

In recent days, she has been in contact with a couple who found out after they were married that they were brother and sister.

CNN: Secret revealed: Ohio woman unknowingly married father

The 14-year-old sister of a soldier killed in Afghanistan has described her brother as "my inspiration, my hero" as she paid tribute at his funeral.

BBC: Pte Thomas Wroe