Roger J Hart

BACKGROUND: Endometrioma are endometriotic deposits within the ovary. Laparoscopic management of endometriomas is associated with shorter hospital stay, faster recovery, and decreased hospital costs compared with laparotomy. The previous ve…

EDITORIAL NOTE: This editorial note has been published online on March 5th, 2026, by the editors of the Cochrane Database of Systematic Reviews, in agreement with the authors, due to concerns discovered by Cochrane and the Managing Editor o…

BACKGROUND: A frozen embryo transfer (FET) cycle is when one or more embryos (frozen during a previous treatment cycle) are thawed and transferred to the uterus. Some women undergo fresh embryo transfer (ET) cycles with embryos derived from…

BACKGROUND: A couple may be considered to have fertility problems if they have been trying to conceive for over a year with no success. This may affect up to a quarter of all couples planning a child. It is estimated that for 40% to 50% of …

Across the Western World there is an increasing trend to postpone childbearing. Consequently, the negative influence of age on oocyte quality may lead to a difficulty in conceiving for many couples. Furthermore, lifestyle factors may exacer…

BACKGROUND: Ten per cent to 15% of couples have difficulty in conceiving. A proportion of these couples will ultimately require assisted reproduction. Prior to controlled ovarian hyperstimulation (COH) a baseline ultrasound is performed to …

BACKGROUND: A couple may be considered to have fertility problems if they have been trying to conceive for over a year with no success. This difficulty with conception may affect up to a quarter of all couples planning a child. The reported…

EDITORIAL NOTE: See https://pubmed.ncbi.nlm.nih.gov/37341141/ for a more recent review that covers this topic and has superseded this review. BACKGROUND: Endometriosis is a common gynaecological condition, characterised by the presence of …