N P Johnson

No ORCID on file · 14 papers in corpus · active 1999-2022

Study types

  • article 8
  • other 3
  • review 2
  • meta-analysis 1

Condition tags

  • endometriosis 13
  • infertility 8
  • dysmenorrhea 3
  • chronic_pelvic_pain 1
  • dyspareunia 1
article 2022
Facts, views & vision in ObGyn ·doi:10.52054/fvvo.14.1.001

Background: In the field of endometriosis, several classification, staging and reporting systems have been developed and published, but there are no data on the uptake of these systems in clinical practice. Objectives: The objective of the …

article 2021
Facts, views & vision in ObGyn ·doi:10.52054/fvvo.13.4.036

BACKGROUND: Different classification systems have been developed for endometriosis, using different definitions for the disease, the different subtypes, symptoms and treatments. In addition, an International Glossary on Infertility and Fert…

article 2021
Facts, views & vision in ObGyn ·doi:10.52054/fvvo.13.3.025

BACKGROUND: In the field of endometriosis, several classification, staging and reporting systems have been developed. However, endometriosis classification, staging and reporting systems that have been published and validated for use in cli…

other 2021
Fertility and sterility ·doi:10.1016/j.fertnstert.2020.11.014

STUDY QUESTION: Can the priorities for future research in infertility be identified? SUMMARY ANSWER: The top 10 research priorities for the four areas of male infertility, female and unexplained infertility, medically assisted reproduction…

other 2020
BJOG: An International Journal of Obstetrics & Gynaecology ·doi:10.1111/1471-0528.16157

OBJECTIVE: To develop a core outcome set for endometriosis. DESIGN: Consensus development study. SETTING: International. POPULATION: One hundred and sixteen healthcare professionals, 31 researchers and 206 patient representatives. METHO…

other 2020
Human Reproduction ·doi:10.1093/humrep/deaa242

STUDY QUESTION: Can the priorities for future research in infertility be identified? SUMMARY ANSWER: The top 10 research priorities for the four areas of male infertility, female and unexplained infertility, medically assisted reproduction…

article 2020
Human reproduction open ·doi:10.1093/hropen/hoaa054

Abstract STUDY QUESTION What is the effect of uterine bathing with sonography gel prior to IVF/ICSI-treatment on live birth rates after fresh embryo transfer in patients with endometriosis? SUMMARY ANSWER After formal interim analysis and p…

article 2013
The Australian & New Zealand journal of obstetrics & gynaecology ·doi:10.1111/ajo.12124

BACKGROUND: Our randomised controlled trial (RCT) found that a hysterosalpingogram (HSG) with the oil-soluble contrast medium (OSCM) lipiodol improves pregnancy rates amongst couples with unexplained and endometriosis-related infertility. T…

article 2007
Human Reproduction ·doi:10.1093/humrep/dem275

BACKGROUND: A New Zealand randomized trial has shown that lipiodol treatment enhances fertility with high short-term effectiveness for women with endometriosis. METHODS: An open randomized trial in a single-centre secondary- and tertiary-le…

meta-analysis 2005
The Cochrane database of systematic reviews ·doi:10.1002/14651858.CD001896.pub2

BACKGROUND: Dysmenorrhoea is the occurrence of painful menstrual cramps of uterine origin and is a very common gynaecological complaint with negative effect on a sufferer's quality of life. Medical therapy for dysmenorrhoea includes oral co…

article 2004
BJOG: An International Journal of Obstetrics & Gynaecology ·doi:10.1111/j.1471-0528.2004.00233.x

OBJECTIVE: To determine the effectiveness of laparoscopic uterine nerve ablation (LUNA) for chronic pelvic pain in women with endometriosis and women with no laparoscopic evidence of endometriosis. DESIGN: A prospective double-blind randomi…

article 2004
Human Reproduction ·doi:10.1093/humrep/deh418

BACKGROUND: To assess the effectiveness of flushing with the oil-soluble contrast medium lipiodol in women with unexplained infertility. METHODS: An open randomized controlled trial design in a single centre secondary and tertiary level inf…

review 2002
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd003052

BACKGROUND: Oral (anti-oestrogens) and injectable (gonadotrophins) ovulation induction agents have been used to increase the number of eggs produced by a woman per cycle in treatment for unexplained subfertility. It is unclear whether there…

review 1999
The Cochrane database of systematic reviews ·doi:10.1002/14651858.cd001896

BACKGROUND: Dysmenorrhoea is the occurrence of painful menstrual cramps of uterine origin and is a very common gynaecological complaint. Medical therapy for dysmenorrhoea includes oral contraceptive pills (OCP) and nonsteroidal anti-inflamm…