Marian Showell

No ORCID on file · 5 papers in corpus · active 2013-2026

Study types

  • preprint 2
  • review 1

Condition tags

  • infertility 2
  • endometriosis 1
preprint 2026

An evidence gap map project examining progress against international infertility and endometriosis research priorities identified in 2020, highlighting areas of advancement and remaining evidence gaps to guide future research.

preprint 2026

An evidence gap map project examining progress against international infertility and endometriosis research priorities identified in 2020, highlighting areas of advancement and remaining evidence gaps to guide future research.

2023
Human reproduction update ·doi:10.1093/humupd/dmad011

BackgroundThe number of frozen embryo transfers (FET) has increased dramatically over the past decade. Based on current evidence, there is no difference in pregnancy rates when natural cycle FET (NC-FET) is compared to artificial cycle FET …

2022
Human reproduction (Oxford, England) ·doi:10.1093/humrep/deac030

Infertility randomized controlled trials (RCTs) are often too small to detect realistic treatment effects. Large observational studies have been proposed as a solution. However, this strategy threatens to weaken the evidence base further, b…

review 2013
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd007807.pub2

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…