wei keong chieng, muhammad irfan abdul jalal, jashveerdeep singh bedi, ani amelia zainuddin, mohd helmy mokhtar, muhammad azrai abu, kah teik chew and abdul ghani nur azurah.  (2022).  probiotics, a promising therapy to reduce the recurrence of bacterial vaginosis in women? a systematic review and meta-analysis of randomized controlled trials.  - frontiers in nutrition.  1-12. 

wan syahirah yang mohsin, nor shaireen abdullah chue, fazilah abdul hamid muhammad azrai abu, sukhilmi othman , norazilah mat jin, shu yuan woon, abdul kadir abdul karim and mohd faizal ahmad.  (2022).  comparison of treatment outcomes among sibling oocytes using different culture systems - conventional ivf versus invocell device - and evaluation of invocell user satisfaction: the invocivf study.  - international journal of environmental research and public health.  1-11. 

lim leek mei, muhammad azrai abu, chew kah teik, aniza ismail, ani amelia zainuddin and nur azurah abdul ghani.  (2022).  the reliability and validity of the malay version of polycystic ovarian syndrome health-related quality of life questionnaire.  - frontier of endocrinology.  1-7. 

nor azila, wei keong chieng, ani amelia zainuddin, kah teik chew, aida kalok, muhammad azrai abu, beng kwang ng, nor azlin mohammed, abdul ghani nur azurah.  (2022).  effect of acupressure at p6 on nausea and vomiting in women with hyperemesis gravidarum: a randomized controlled trial.  - international journal of enviromental research and public health.  1-10. 

normaliza muhamad, muhammad azrai abu, aida hani kalok, mohd nasir shafiee, shamsul azhar shah and nor azlin mohamed ismail.  (2022).  safety and effectiveness of fondaparinux as a postpartum thromboprophylaxis during puerperium among muslim women: a single centre prospective study.  - frontiers in pharmacology.  1-6. 

zulazmi sutaji, marjanu hikmah elias, mohd faizal ahmad, abdul kadir abdul karim, muhammad azrai abu.  (2022).  a systematic review and integrated bioinformatic analysis of candidate genes and pathways in the endometrium of patients with polycystic ovary syndrome during the implantation window.  - frontier in endocrinology.  1-10. 

fazilah abdul hamid, muhammad azrai abu, abdul kadir abdul karim, mohd faizal ahmad, nor haslinda abd. aziz, datu agasi mohd kamal & mohd helmy mokhtar.  (2022).  sex steroid receptors in polycystic ovary syndrome and endometriosis: insights from laboratory studies to clinical trials.  - biomedicines.  1-21. 

nurainie sayutti, muhammad azrai abu, mohd faizal ahmad.  (2022).  pcos and role of cumulus gene expression in assessing oocytes quality.  - frontier in endocrinology.  1-13. 

akmal hisyam arshad, muhammad azrai abu, mohd faizal ahmad, abdul kadir abdul karim..  (2021).  comparative analysis of ivf-icsi outcomes between advanced and early stage of endometriosis stimulated with hmg.  - medical journal of malaysia.  783-787. 

ai chen chua, abdul kadir abdul karim, albert chao chiet tan, muhammad azrai abu, mohd faizal ahmad.  (2021).  the outcome of intra-cytoplasmic sperm injection (icsi): do the sperm concentration and motility matter?.  - hormone molecular biology and clinical investigation.  367-372. 

jasdev singh harbhajan singh, mohd faizal ahmad, muhammad azrai abu, mohd hashim omar and abdul kadir abdul karim.  (2021).  a fine tuning of embryo loading technique by eliminating the air bubble in the outer sheath of embryo catheter among women undergoing ivf treatment.  - hormone molecular biology and clinical investigation.  389-393. 

abdul kadir abdul karim, muhammad azrai abu, mohd faizal ahmad, norazilah mat jin, haris njoo suharjono.  (2021).  impact and adaptation of reproductive training during covid-19 pandemic in malaysia.  - malaysian journal of medical sciences.  34-41. 

muhammad azrai abu, azniza suriati borhan, abdul kadir abdul karim, mohd faizal ahmad and zaleha abdullah mahdy.  (2021).  comparison between iberet folic and zincofer in treatment of iron deficiency anaemia in pregnancy.  - hormone molecular biology and clinical investigation.  49-56. 

mohd faizal ahmad, muhammad azrai abu, abdul kadir abdul karim.  (2020).  letter to the editor: the coronavirus disease 2019 impact on oncofertility services in malaysia.  - journal of adolescent and young adult oncology.  693-694. 

muhammad azrai abu, siti aishah tajudin, abdul kadir abdul karim, mohd faizal ahmad, zainul rashid mohd razi, mohd hashim omar.  (2020).  predictor for unfavorable johnsen scoring in non-obstructive azoospermia before intra cytoplasmic sperm insemination and its outcome.  - minerva ginecologica.  351-354. 

siti n. upawi, mohd f. ahmad, muhammad a. abu, suhaila ahmad.  (2020).  management of bleeding irregularities among etonogestrel implant users: is combined oral contraceptives pills or nonsteroidal anti-inflammatory drugs the better option?.  - journal obstetrics gynaecology research.  479-484. 

nur aini mohd zain, nur azurah abdul ghani, muhammad azrai abu, chew kah teik, nor azlin mohamed ismail, shuhaila ahmad.  (2019).  can neonatal birth weight be predicted using umbilical cord circumference?.  - medical journal of malaysia.  18. 

muhammad azrai abu, chew kah teik, mohd faizal ahmad, nur azurah abdul ghani, nor azlin mohamed ismail.  (2019).  tubo-ovarian abscesses complicated with septic shock following operative hysteroscopy.  - gazzetta medica italiana archivio per le scienze mediche.  907-909. 

mohd faizal ahmad, nur zawani zakaria, noorazizah arsad, kah teik chew, muhammad azrai abu, mohd nasir shafiee, mohd hashim omar.  (2019).  a case of post-splenectomy transfusion-dependent homozygousbeta-thalassemia major complicated with myocardial siderosis and osteoporosis and usage of iron-chelating therapy with deferiprone....  - hormone molecular biology and clinical investigation.  1-3. 

muhammad azrai abu, chew kah teik, nur azurah abdul ghani, mohammad shawal faizal, chai s. ngiu , nor azlin mohd ismail.  (2019).  chest pain in pregnancy: a false alarm.  - gazzetta medica italiana archivio per le scienze mediche.  157-160. 

chew kah teik; nurul iftida basri; abdul kadir abdul karim; muhammad azrai abu; mohd faizal ahmad; nur azurah abdul ghani; erica yee hing; rozman zakaria; jegan a/l thanabalan; azizi abu bakar; nor azlin mohamed ismail.  (2019).  management options and outcome of cerebral arteriovenous malformation in pregnancy: case series.  - archives of iranian medicine.  340-343. 

mohd faizal ahmad, muhammad azrai abu, chew kah teik, kun leng sheng, mohd asyraf zakaria.  (2018).  a positive urine pregnancy test (upt) with adnexal mass; ectopic pregnancy is not the ultimate diagnosis.  - hormone molecular biology and clinical investigation..  . 

chew kah teik, norsaadah salim, muhammad azrai abu, abdul kadir abdul karim.  (2018).  knowledge, attitudes and practice regarding copper intrauterine contraceptive devices among doctors in malaysia.  - bmj sexual and reproductive health (journal of family planning and reproductive health care).  . 

kah teik chew, muhammad azrai abu, mohd faizal ahmad, nur azurah abdul ghani.  (2018).  bilateral mature cystic teratoma masquerading as an ectopic pregnancy: a case report and review of the literature.  - journal of gynecologic surgery.  252-254. 

kah teik chew, izyan atiqah zakaria, muhammad azrai abu, mohd faizal ahmad, erica yee hing, nur azurah abdul ghani.  (2018).  elevated serum ca 19-9 with adnexal mass: is it always an ovarian malignancy?.  - hormone molecular biology and clinical investigation.  . 

chew kah teik, nurul iftidah basri, abdul kadir abdul karim, muhammad azrai abu, mohd faizal ahmad, nur azurah abdul ghani, erica yee hing, rozman zakaria, jegan a/l thanabalan, azizi abu bakar, nor azlin mohamed ismail.  (2018).  cerebral arteriovenous malformation in pregnancy: management options and outcome in a tertiary centre.  - medical journal of malaysia.  . 

k.t. chew, s. najah, a. muhammad azrai, a.g. nur azurah.  (2018).  dose short educational intervention improve parents knowledge and awareness towards human papillomavirus (hpv) vaccination.  - international journal of gynecological cancer.  254. 

chew kah teik, muhammad azrai abu, yulianty arifuddin, nor azlin mohamed ismail, noor ain mohd nasir, fazarina mohammed, nur azurah abdul ghani.  (2017).  ectopic adrenal tissue associated with borderline mucinous cystadenoma of ovary: a case report with review of the literature.  - hormone molecular biology and clinical investigation.  1-5. 

abdul kadir abdul karim , muhammad azrai abu, buvanes chelliah, zainul rashid mohd razi , mohd hashim omar , hanita othman , zuraidah che man.  (2017).  maternal thyroid function in women undergoing controlled ovarian hyperstimulation during in-vitro fertilization and its relation to reproductive outcome.  - minerva ginecologica.  431-437. 

muhammad azrai abu, nur azurah abdul ghani, lim pei shan, aqmar suraya sulaiman, mohd hashim omar, mohd hisam muhamad ariffin, azmi baharuddin, shuhaila shohaimi, zuraidah che man.  (2017).  do exercises improve back pain in pregnancy?.  - hormone molecular biology and clinical investigations.  .