Jean Dupont Kemfang Ngowa

ORCID: 0000-0003-2404-0595
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About
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Research Areas
  • Cervical Cancer and HPV Research
  • Global Maternal and Child Health
  • Global Cancer Incidence and Screening
  • Maternal and Perinatal Health Interventions
  • Maternal and fetal healthcare
  • Colorectal Cancer Screening and Detection
  • Ovarian function and disorders
  • Breast Cancer Treatment Studies
  • Assisted Reproductive Technology and Twin Pregnancy
  • Angiogenesis and VEGF in Cancer
  • Neonatal Respiratory Health Research
  • Reproductive Biology and Fertility
  • Cancer, Hypoxia, and Metabolism
  • Pregnancy and preeclampsia studies
  • Gynecological conditions and treatments
  • Congenital Diaphragmatic Hernia Studies
  • Cancer, Lipids, and Metabolism
  • BRCA gene mutations in cancer
  • Reproductive Health and Technologies
  • Endometrial and Cervical Cancer Treatments
  • Adolescent Sexual and Reproductive Health
  • Vaccine Coverage and Hesitancy
  • Cancer Genomics and Diagnostics
  • COVID-19 epidemiological studies
  • COVID-19 and Mental Health

Université de Yaoundé I
2011-2023

Yaoundé General Hospital
2011-2023

Yaoundé Gynaecology, Obstetrics and Pediatrics Hospital
2015-2017

University Teaching Hospital of Yaounde
2010-2014

Introduction: Women older than 40 years have been termed "advanced maternal age" and considered to be at risk of adverse pregnancy outcome. This study aimed examine the obstetrical outcomes among primiparous multiparous African advanced age women.

10.11604/pamj.2013.14.134.2315 article EN cc-by Pan African Medical Journal 2013-01-01

Objective. To describe the profile of breast cancer in patients attending radiation therapy unit Yaounde General Hospital. Method. From 1989 to 2009, we conducted a descriptive retrospective study based on register and medical records patients. Results. During period, 531 were recorded which 0.75% male. Age range was 18 82 years, with mean 45.17 years. Out these, 66.1% less than 50 years old 31.9% 40. Self detection discovery method most cases (95.34% patients). Mean delay before...

10.1155/2011/143506 article EN cc-by Obstetrics and Gynecology International 2011-01-01

This study aimed to estimate the survival rate of breast cancer in a group patients followed up at Yaoundé General Hospital Cameroon. A retrospective review records managed for between 1995 and 2007 was carried out Hospital. Survival analysis with defined as time date unequivocal diagnosis last follow-up or death. curves were plotted R.3.1.1 software. Mean age 47.5 ± 12.36 years. Most (67.9%) presented advanced disease (stage III IV). Overall patient 30% 5 years 13.2% 10 Median overall 2...

10.4236/abcr.2015.42005 article EN Advances in Breast Cancer Research 2015-01-01

Introduction: la césarienne est l'une des interventions chirurgicales courantes en obstétrique. L'objectif de cette étude était déterminer l'incidence complications maternelles précoces dans deux hôpitaux universitaires Yaoundé.

10.11604/pamj.2015.21.265.6967 article FR cc-by Pan African Medical Journal 2015-01-01

The objectives were to assess the diagnostic value of hysterosalpingography (HSG) with laparoscopy as gold standard in evaluation tubal patency and pelvic adhesions women suffering from infertility.We conducted a comparative cross sectional study on 208 medical files infertile followed up at Yaoundé General Hospital during period five years (December 2007 December 2012). Tubal patency, hydrosalpinx detected HSG compared laparoscopic findings standard. sensitivity, specificity, positive...

10.11604/pamj.2015.22.264.8028 article EN cc-by Pan African Medical Journal 2015-01-01

Background: Adolescent pregnancy is a serious health and social problem worldwide as well in Cameroon. The aim of this study was to determine the obstetrical perinatal outcomes nulliparous adolescent pregnancies reference hospital Methods: A retrospective cohort compare those women aged 20 25 years carried out at Yaoundé General Hospital between January 1993 December 2012. Results: deliveries represented 2.84% (331 deliveries) all registered during period. mothers had significantly higher...

10.4236/ojog.2015.52012 article EN Open Journal of Obstetrics and Gynecology 2015-01-01

In Cameroon, induced abortion is permitted when a woman’s life at risk, to preserve her physical and mental health on the grounds of rape or incest. Objectives: The aim this study was determine prevalence, reasons complications voluntary among women attending obstetrics gynecology services in an urban area, Yaoundé rural Wum Cameroon. Methods: We carried out cross sectional study, with 509 recruited between August 1, 2011 December 31, three facilities appreciated frequency, for Voluntary...

10.4236/ojog.2015.59069 article EN Open Journal of Obstetrics and Gynecology 2015-01-01

Objectives . We aimed to assess the variation of insulin sensitivity in relation obesity women living with PCOS a sub-Sahara African setting. Methods studied body composition, sensitivity, and resting energy expenditure 14 patients (6 obese 8 nonobese) compared 10 matched nonobese non-PCOS subjects. Insulin was assessed using gold standard 80 mU/m 2 /min euglycemic-hyperinsulinemic clamp measured by indirect calorimetry. Results adjusted lean mass lowest subjects highest healthy...

10.1155/2016/9201701 article EN cc-by International Journal of Endocrinology 2016-01-01

Objective . To determine the frequency and trend of adolescents (10–19 years) in childbirth within a period 3 years referral maternity units Cameroon. Method Descriptive retrospective study for 3-year (2003–2005) headed by qualified Obstetrician-Gynecologist. We analyzed geographic distribution 8222 adolescent deliveries over years. Epi Info 3.5 software was used data analysis. Chi square test to assess contribution The considered significant if<mml:math...

10.1155/2010/805165 article EN cc-by Obstetrics and Gynecology International 2010-01-01

WHO warned against a dramatic impact of COVID-19 in Africa unless adequate response strategies are implemented. Whatever the strategy, role health staff is pivotal. Objective: Assess knowledge and perception to among staff.we used convenience non probabilistic sample conduct survey with self-administered questionnaire from April 14 - 29, 2020 at Bafoussam Regional Hospital (BRH). All was invited participate. Analyses were done Microsoft Excel 2010 Epi-Info version 7.1.5.2.response rate 76.1%...

10.11604/pamj.supp.2020.37.19.25688 article EN PubMed 2020-01-01

Objective: The aim of this study was to determine maternal and perinatal complications pregnancies complicated by severe preeclampsia in three tertiary care centers Cameroon. Methods: We carried out a descriptive cross sectional from the 1st June 2012 31th 2014, among pregnant women with followed up level hospitals Yaoundé, Cameroon: Yaoundé General Hospital, Central University Hospital. Statistical analysis performed using EPI 3.5.5. Data were described as means ± standard deviation,...

10.4236/ojog.2015.512101 article EN Open Journal of Obstetrics and Gynecology 2015-01-01

Introduction: La détermination précise de l’âge gestationnel (AG) est essentielle pour un suivi adapté la grossesse. date dernières règles (DDR) et l’échographie datation du premier trimestre sont les moyens habituels DDR souvent imprécise fait des erreurs rappel ou d’un trouble cycle menstruel. Cette étude transversale descriptive avait objectif d’évaluer fiabilité dans grossesse en pratique courante à Yaoundé.

10.11604/pamj.2014.17.264.3692 article FR cc-by Pan African Medical Journal 2014-01-01

Objective. To establish the percentile charts of birth weights for gestational age and sex within Cameroonian population. Methods. A review medical records infants born between January 2007 December 2011 at maternities two hospitals in Cameroon, Central Africa. Multiple pregnancies, births HIV infected women, stillbirths, with major fetal malformations were excluded. The smooth curves weight created using Gamlss package under R.3.0.1 software. Results. 12837 live singleton to negative women...

10.1155/2014/361451 article EN cc-by Obstetrics and Gynecology International 2014-01-01

Introduction: Il s'agira de déterminer l’incidence et les facteurs associés à l’infection post opératoire dans chirurgies gynécologiques obstétricales propres contaminées.

10.11604/pamj.2014.19.23.4534 article FR cc-by Pan African Medical Journal 2014-01-01

Nous rapportons les résultats d'une série de 21 cas prise en charge par cryothérapie lésions intra-épithéliales cervicales au Centre Hospitalier et Universitaire (CHU) Yaoundé. Notre objectif principal était d'évaluer préliminaires la des précancéreuses éligibles pour cryothérapie. Il s'agissait étude transversale descriptive qui s'est étalée sur 24 mois. Etaient inclus dans l'étude toutes femmes traitées avons exclu patientes une autre méthode, perdues vue dossiers incomplets. Le statut...

10.11604/pamj.2015.20.225.4618 article FR cc-by Pan African Medical Journal 2015-01-01

The aim of this study was to determine the incidence nuchal cord at delivery and perinatal outcome. We conducted a retrospective descriptive from 1992–2008 Yaounde General Hospital. Obstetrical neonatal variables were compared in loose tight groups control group (no cord). Of 9275 deliveries recorded, 16.2% had cord. these cords, 75.81% 24.18% tight. Cesarean rate lower when with (P <.001;P < .05). Low Apgar scores 7 1st 5th minutes less = .06, P .7). In group, low score minute significantly...

10.4303/2090-7214.1000121 article EN clinics in Mother and Child Health 2011-01-01

Klippel Trenaunay syndrome (KTS) is a rare congenital disease characterized by triad of cutaneous hemangioma, varicose veins and bone or soft tissue hypertrophy. Cases pregnancy complicated KTS are rare. There an increased risk thrombo-embolic hemorrhage during pregnancy. Both obstetric anesthetic management in can be rather complicated. We present successful African woman with at Yaounde General Hospital, Cameroon.

10.11604/pamj.2013.16.99.3395 article EN cc-by Pan African Medical Journal 2013-01-01

Abstract Background The World Health Organization has warned against a dramatic impact of COVID-19 in sub-Saharan Africa unless adequate response strategies are implemented. Whatever the strategy, role health care workers is pivotal. We undertook this study to assess knowledge and perception pandemic among staff regional hospital charge patients West Cameroon. Methods used convenience non probabilistic sampling method carry out survey with self-administered questionnaire from April 14, 2020...

10.1101/2020.08.20.20178970 preprint EN cc-by-nc medRxiv (Cold Spring Harbor Laboratory) 2020-08-23
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