Reproductive endocrinology; reproductive hormones; menstruation; implantation; infertility; labour; trophoblast function; regulation of placental blood flow; preterm labour; low birth weight; prenatal diagnosis; models of antenatal care; endometriosis; preeclampsia; ovarian cancer; molecular obstetrics; molecular gynaecology; angiogenesis (control of blood vessel growth); factors in fibroid growth and development, investigating why these common benign tumours develop and grow.