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Teong, A.C.A. and Diong, A.X. and Omar, S.Z. and Tan, P.C. (2017) The Impact of Self-Reported Sleep on Caesarean Delivery in Women Undergoing Induction of Labour: A Prospective Study. Scientific Reports, 7 (1). p. 12339. ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-017-12410-7.
Tan, P.C. and Alzergany, M.M. and Adlan, A.S. and Noor Azmi, M.A. and Omar, S.Z. (2016) Immediate compared with on-demand maternal full feeding after planned caesarean delivery: a randomised trial. BJOG An International Journal of Obstetrics and Gynaecology, 124 (1). pp. 123-131. ISSN 1470-0328, DOI https://doi.org/10.1111/1471-0528.14211.
Woo, Y.L. and Cheah, P.L. and Shahruddin, S.I. and Omar, S.Z. and Arends, M. (2014) The immunohistochemistry signature of mismatch repair (MMR) proteins in a multiethnic Asian cohort with endometrial carcinoma. International Journal of Gynecological Pathology, 33 (6). pp. 554-559. ISSN 0277-1691, DOI https://doi.org/10.1097/PGP.0000000000000099.
Tan, P.C. and Zaidi, S.N. and Azmi, N. and Omar, S.Z. and Khong, S.Y. (2014) Depression, anxiety, stress and hyperemesis gravidarum: temporal and case controlled correlates. PLoS ONE, 9 (3). ISSN 1932-6203, DOI https://doi.org/10.1371/journal.pone.0092036.
Vallikkannu, N. and Nadzratulaiman, W.N. and Omar, S.Z. and Lay, K.S. and Tan, P.C. (2014) Talcum powder or aqueous gel to aid external cephalic version: a randomised controlled trial. BMC Pregnancy and Childbirth, 14 (49). ISSN 1471-2393, DOI https://doi.org/10.1186/1471-2393-14-49.
Mohamed, E. and Jayapalan, J.J. and Abdul-Rahman, P.S. and Omar, S.Z. and Hashim, Onn Haji (2013) Enhanced expression of a 35 kDa fragment of inter-alpha-trypsin inhibitor H4 in sera of healthy pregnant women and patients with hydatidiform mole. Biomarker Research, 1 (1). ISSN 2050-7771, DOI PMID: 24252421.
Omar, N.S. and Tan, P.C. and Sabir, N. and Yusop, E.S. and Omar, S.Z. (2013) Coitus to expedite the onset of labour: a randomised trial. BJOG An International Journal of Obstetrics and Gynaecology, 120 (3). pp. 338-345. ISSN 1470-0328, DOI https://doi.org/10.1111/1471-0528.12054.
Fernandez, A.R. and Omar, S.Z. and Husain, R. (2013) Development and validation of a food frequency questionnaire to estimate the intake of genistein in Malaysia. International Journal of Food Sciences and Nutrition, 64 (7). pp. 794-800. ISSN 0963-7486, DOI https://doi.org/10.3109/09637486.2013.798269.
Tan, P.C. and Norazilah, M.J. and Omar, S.Z. (2013) Dextrose saline compared with normal saline rehydration of hyperemesis gravidarum a randomized controlled trial. Obstetrics and Gynecology, 121 (2). pp. 291-298. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e31827c5e99.
Zin, S.R.M. and Omar, S.Z. and Khan, N.L.A. and Musameh, N.I. and Das, S. and Kassim, N.M. (2013) Effects of the phytoestrogen genistein on the development of the reproductive system of Sprague Dawley rats. Clinics, 68 (2). pp. 253-262. ISSN 1807-5932, DOI https://doi.org/10.6061/clinics/2013(02)OA21.
Shen, H. and Fridley, B.L. and Song, H.L. and Lawrenson, K. and Cunningham, J.M. and Ramus, S.J. and Cicek, M.S. and Tyrer, J. and Stram, D. and Larson, M.C. and Kobel, M. and Ziogas, A. and Zheng, W. and Yang, H.P. and Wu, A.H. and Wozniak, E.L. and Woo, Y.L. and Winterhoff, B. and Wik, E. and Whittemore, A.S. and Wentzensen, N. and Weber, R.P. and Vitonis, A.F. and Vincent, D. and Vierkant, R.A. and Vergote, I. and Van Den Berg, D. and Van Altena, A.M. and Tworoger, S.S. and Thompson, P.J. and Tessier, D.C. and Terry, K.L. and Teo, S.H. and Templeman, C. and Stram, D.O. and Southey, M.C. and Sieh, W. and Siddiqui, N. and Shvetsov, Y.B. and Shu, X.O. and Shridhar, V. and Wang-Gohrke, S. and Severi, G. and Schwaab, I. and Salvesen, H.B. and Rzepecka, I.K. and Runnebaum, I.B. and Rossing, M.A. and Rodriguez-Rodriguez, L. and Risch, H.A. and Renner, S.P. and Poole, E.M. and Pike, M.C. and Phelan, C.M. and Pelttari, L.M. and Pejovic, T. and Paul, J. and Orlow, I. and Omar, S.Z. and Olson, S.H. and Odunsi, K. and Nickels, S. and Nevanlinna, H. and Ness, R.B. and Narod, S.A. and Nakanishi, T. and Moysich, K.B. and Monteiro, A.N.A. and Moes-Sosnowska, J. and Modugno, F. and Menon, U. and McLaughlin, J.R. and McGuire, V. and Matsuo, K. and Adenan, N.A.M. and Massuger, L.F.A.G. and Lurie, G. and Lundvall, L. and Lubinski, J. and Lissowska, J. and Levine, D.A. and Leminen, A. and Lee, A.W. and Le, N.D. and Lambrechts, S. and Lambrechts, D. and Kupryjanczyk, J. and Krakstad, C. and Konecny, G.E. and Kjaer, S.K. and Kiemeney, L.A. and Kelemen, L.E. and Keeney, G.L. and Karlan, B.Y. and Karevan, R. and Kalli, K.R. and Kajiyama, H. and Ji, B.T. and Jensen, A. and Jakubowska, A. (2013) Epigenetic analysis leads to identification of HNF1B as a subtype-specific susceptibility gene for ovarian cancer. Nature Communications, 4. ISSN 2041-1723, DOI https://doi.org/10.1038/ncomms2629.
Tan, P.C. and Soe, M.Z. and Sulaiman, S. and Omar, S.Z. (2013) Immediate compared with delayed oxytocin after amniotomy labor induction in parous women a randomized controlled trial. Obstetrics and Gynecology, 121 (2). pp. 253-259. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e31827e7fd9.
Bojesen, S.E. and Pooley, K.A. and Johnatty, S.E. and Beesley, J. and Michailidou, K. and Tyrer, J.P. and Edwards, S.L. and Pickett, H.A. and Shen, H.C. and Smart, C.E. and Hillman, K.M. and Mai, P.L. and Lawrenson, K. and Stutz, M.D. and Lu, Y. and Karevan, R. and Woods, N. and Johnstonw, R.L. and French, J.D. and Chen, X.Q. and Weischer, M. and Nielsen, S.F. and Maranian, M.J. and Ghoussaini, M. and Ahmed, S. and Baynes, C. and Bolla, M.K. and Wang, Q. and Dennis, J. and McGuffog, L. and Barrowdale, D. and Lee, A. and Healey, S. and Lush, M. and Tessier, D.C. and Vincent, D. and Bacot, F. and Vergote, I. and Lambrechts, S. and Despierre, E. and Risch, H.A. and Gonzaalez-Neira, A. and Rossing, M.A. and Pita, G. and Doherty, J.A. and Alvarez, N. and Larson, M.C. and Fridley, B.L. and Schoof, N. and Chang-Claude, J. and Cicek, M.S. and Peto, J. and Kalli, K.R. and Broeks, A. and Armasu, S.M. and Schmidt, M.K. and Braaf, L.M. and Winterhoff, B. and Nevanlinna, H. and Konecny, G.E. and Lambrechts, D. and Rogmann, L. and Guenel, P. and Teoman, A. and Milne, R.L. and Garcia, J.J. and Cox, A. and Shridhar, V. and Burwinkel, B. and Marme, F. and Hein, R. and Sawyer, E.J. and Haiman, C.A. and Wang-Gohrke, S. and Andrulis, I.L. and Moysich, K.B. and Hopper, J.L. and Odunsi, K. and Lindblom, A. and Giles, G.G. and Brenner, H. and Simard, J. and Lurie, G. and Fasching, P.A. and Carney, M.E. and Radice, P. and Wilkens, L.R. and Swerdlow, A. and Goodman, M.T. and Brauch, H. and Garcia-Closas, M. and Hillemanns, P. and Winqvist, R. and Durst, M. and Devilee, P. and Runnebaum, I. and Jakubowska, A. and Lubinski, J. and Mannermaa, A. and Butzow, R. and Omar, S.Z. (2013) Multiple independent variants at the TERT locus are associated with telomere length and risks of breast and ovarian cancer. Nature Genetics, 45 (4). pp. 371-384. ISSN 1061-4036, DOI https://doi.org/10.1038/ng.2566.
Mohktar, M.S. and Ibrahim, F. and Rozi, N.F.M. and Yusof, J.M. and Ahmad, S.A. and Yen, K.S. and Omar, S.Z. (2013) A quantitative approach to measure women's sexual function using electromyography: a preliminary study of the Kegel exercise. Medical Science Monitor, 19. pp. 1159-1166. ISSN 1643-3750,
Tan, P.C. and Soe, M.Z. and Si Lay, K. and Wang, S.M. and Sekaran, S.D. and Omar, S.Z. (2012) Dengue infection and miscarriage: a prospective case control study. PLoS Neglected Tropical Diseases, 6 (5). ISSN 1935-2727, DOI PMID: 22590658 .
Woo, Y.L. and Razali, S.M. and Chong, K.R. and Omar, S.Z. (2012) Does the success of a school-based HPV vaccine programme depend on teachers' knowledge and religion? - a survey in a multicultural society. Asian Pacific Journal of Cancer Prevention, 13 (9). pp. 4651-4654. ISSN 1513-7368, DOI https://doi.org/10.7314/apjcp.2012.13.9.4651.
Tan, P.C. and Aziz, A.Z. and Ismail, Ikram Shah and Omar, S.Z. (2012) Gamma-glutamyltransferase, alanine transaminase and aspartate transaminase levels and the diagnosis of gestational diabetes mellitus. Clinical Biochemistry, 45 (15). pp. 1192-1196. ISSN 0009-9120, DOI https://doi.org/10.1016/j.clinbiochem.2012.05.025.
Tan, P.C. and Norazilah, M.J. and Omar, S.Z. (2012) Hospital discharge on the first compared with the second day after a planned cesarean delivery a randomized controlled trial. Obstetrics and Gynecology, 120 (6). pp. 1273-1282. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e3182723a95.
Raheem, I.A. and Saaid, R. and Omar, S.Z. and Tan, P.C. (2012) Oral nifedipine versus intravenous labetalol for acute blood pressure control in hypertensive emergencies of pregnancy: a randomised trial. BJOG An International Journal of Obstetrics and Gynaecology, 119 (1). pp. 78-85. ISSN 1470-0328, DOI https://doi.org/10.1111/j.1471-0528.2011.03151.x.
Tan, P.C. and King, A.S.J. and Omar, S.Z. (2012) Screening for urinary tract infection in women with hyperemesis gravidarum. Journal of Obstetrics and Gynaecology Research, 38 (1). pp. 145-153. ISSN 1341-8076, DOI https://doi.org/10.1111/j.1447-0756.2011.01652.x.
Tan, P.C. and King, A.S.J. and Vallikkannu, N. and Omar, S.Z. (2011) Single dose 17 alpha-hydroxyprogesterone caproate in preterm labor: a randomized trial. Archives of Gynecology and Obstetrics. ISSN 0932-0067, DOI 21796421.
Tan, P.C. and Omar, S.Z. (2011) Contemporary approaches to hyperemesis during pregnancy. Current opinion in obstetrics & gynecology, 23 (2). pp. 87-93. ISSN 1040-872X, DOI 21297474.
Tan, P.C. and Chai, J.N. and Ling, L.P. and Omar, S.Z. (2011) Maternal hemoglobin level and red cell indices as predictors of gestational diabetes in a multi-ethnic Asian population. Clinical and Experimental Obstetrics & Gynecology, 38 (2). pp. 150-154. ISSN 0390-6663,
Mastor, A. and Khaing, S.L. and Omar , S.Z. (2011) Users’ perspectives on Implanon in Malaysia, a multicultural Asian country. Open Access Journal of Contraception. pp. 79-84. ISSN 11791527,
Yelumalai, S. and Subramanian, K. and Omar, S.Z. and Qvist, R. and Muniandy, S. (2010) Angiogenic factors in the pathogenesis and pathophysiology of preeclampsia: A Mini review. Biomedical Research-India, 21 (3). pp. 246-251.
Tan, P.C. and Vani, S. and Lim, B.K. and Omar, S.Z. (2010) Anxiety and depression in hyperemesis gravidarum: prevalence, risk factors and correlation with clinical severity. European Journal of Obstetrics & Gynecology and Reproductive Biology, 149 (2). pp. 153-158. ISSN 0301-2115, DOI https://doi.org/10.1016/j.ejogrb.2009.12.031.
Mansor, A. and Arumugam, K. and Omar, S.Z. (2010) Macrosomia is the only reliable predictor of shoulder dystocia in babies weighing 3.5 kg or more. European Journal of Obstetrics & Gynecology and Reproductive Biology, 149 (1). pp. 44-46. ISSN 0301-2115, DOI https://doi.org/10.1016/j.ejogrb.2009.12.003.
Tan, P.C. and Khine, P.P. and Vallikkannu, N. and Omar, S.Z. (2010) Promethazine compared with metoclopramide for hyperemesis gravidarum a randomized controlled trial. Obstetrics and Gynecology, 115 (5). pp. 975-981. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e3181d99290.
Harun, F. and Taufik, I. and Omar, S.Z. (2010) Vitamin D status in multiethnic Malaysian pregnant women. Endocrine Reviews, 31 (3, 1).
Tan, P.C. and Yow, C.M. and Omar, S.Z. (2009) Coitus and orgasm at term: effect on spontaneous labour and pregnancy outcome. Singapore Medical Journal, 50 (11). pp. 1062-7. ISSN 0037-5675, DOI 19960160.
Tan, P.C. and Ling, L.P. and Omar, S.Z. (2009) The 50-g glucose challenge test and pregnancy outcome in a multiethnic Asian population at high risk for gestational diabetes. International Journal of Gynecology & Obstetrics, 105 (1). pp. 50-55. ISSN 0020-7292, DOI https://doi.org/10.1016/j.ijgo.2008.11.038.
Tan, P.C. and Daud, S.A. and Omar, S.Z. (2009) Concurrent dinoprostone and oxytocin for labor induction in term premature rupture of membranes a randomized controlled trial. Obstetrics and Gynecology, 113 (5). pp. 1059-1065. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e3181a1f605.
Tan, P.C. and Tan, N.C. and Omar, S.Z. (2009) Effect of high levels of human chorionic gonadotropin and estradiol on the severity of hyperemesis gravidarum. Clinical Chemistry and Laboratory Medicine, 47 (2). pp. 165-171. ISSN 1434-6621, DOI https://doi.org/10.1515/cclm.2009.041.
Vani, S. and Lau, S.Y. and Lim, B.K. and Omar, S.Z. and Tan, P.C. (2009) Intravenous salbutamol for external cephalic version. International Journal of Gynecology & Obstetrics, 104 (1). pp. 28-31. ISSN 0020-7292, DOI https://doi.org/10.1016/j.ijgo.2008.08.014.
Hamdan, M. and Sidhu, K. and Sabir, N. and Omar, S.Z. and Tan, P.C. (2009) Serial membrane sweeping at term in planned vaginal birth after cesarean a randomized controlled trial. Obstetrics and Gynecology, 114 (4). pp. 745-751. ISSN 0029-7844,
Ayadurai, T. and Muniandy, S. and Omar, S.Z. (2009) Thrombophilia investigation in Malaysian women with recurrent pregnancy loss. Journal of Obstetrics and Gynaecology Research, 35 (6). pp. 1061-1068. ISSN 1341-8076, DOI https://doi.org/10.1111/j.1447-0756.2009.01067.x.
Tan, P.C. and Yow, C.M. and Omar, S.Z. (2009) A placebo-controlled trial of oral pyridoxine in hyperemesis gravidarum. Gynecologic and Obstetric Investigation, 67 (3). pp. 151-157. ISSN 0378-7346, DOI https://doi.org/10.1159/000181182.
Tan, P.C. and Subramaniam, R.N. and Omar, S.Z. (2008) Predictors for caesarean delivery and neonatal admission after trial of labour in women with one previous lower segment caesarean scar. Singapore Medical Journal, 49 (3). pp. 188-92. ISSN 0037-5675, DOI 18362998.
Tan, P.C. and Mubarak, S. and Omar, S.Z. (2008) Absorbable versus nonabsorbable sutures for subcuticular skin closure of a transverse suprapubic incision. International Journal of Gynecology & Obstetrics, 103 (2). pp. 179-181. ISSN 0020-7292, DOI https://doi.org/10.1016/j.ijgo.2008.05.023.
Tan, P.C. and Rajasingam, G. and Devi, S. and Omar, S.Z. (2008) Dengue infection in pregnancy - Prevalence, vertical transmission, and pregnancy outcome. Obstetrics and Gynecology, 111 (5). pp. 1111-1117. ISSN 0029-7844, DOI https://doi.org/10.1097/AOG.0b013e31816a49fc.
Tan, P.C. and Mubarak, S. and Omar, S.Z. (2008) Gamma-glutamyltransferase level in pregnancy is an independent risk factor for gestational diabetes mellitus. Journal of Obstetrics and Gynaecology Research, 34 (4). pp. 512-517. ISSN 1341-8076, DOI https://doi.org/10.1111/j.1447-0756.2008.00815.x.
Mohamed, E. and Abdul-Rahman, P.S. and Doustjaialil, S.R. and Chen, Y. and Lim, B.K. and Omar, S.Z. and Bustam, A.Z. and Singh, V.A. and Mohd-Taib, N. and Yip, C.H. and Hashim, Onn Haji (2008) Lectin-based electrophoretic analysis of the expression of the 35 kDa inter-alpha-trypsin inhibitor heavy chain H4 fragment in sera of patients with five different malignancies. Electrophoresis, 29 (12). pp. 2645-2650. ISSN 0173-0835, DOI https://doi.org/10.1002/elps.200700828.
Omar, S.Z. and Qvist, R. and Khaing, S.L. and Muniandy, S. and Bhalla, S. (2008) Thrombophilic mutations in pre-eclampsia and pregnancy-induced hypertension. Journal of Obstetrics and Gynaecology Research, 34 (2). pp. 174-178. ISSN 1341-8076, DOI https://doi.org/10.1111/j.1447-0756.2008.00755.x.
Tan, P.C. and Valiapan, S.D. and Tay, P.Y.S. and Omar, S.Z. (2007) Concurrent oxytocin with dinoprostone pessary versus dinoprostone pessary in labour induction of nulliparas with an unfavourable cervix: a randomised placebo-controlled trial. BJOG An International Journal of Obstetrics and Gynaecology, 114 (7). pp. 824-832. ISSN 1470-0328, DOI https://doi.org/10.1111/j.1471-0528.2007.01384.x.
Tan, P.C. and Yow, C.M. and Omar, S.Z. (2007) Effect of coital activity on onset of labor in women scheduled for labor induction - A randomized controlled trial. Obstetrics and Gynecology, 110 (4). pp. 820-826. ISSN 0029-7844, DOI https://doi.org/10.1097/01.AOG.0000267201.70965.ec.
Tan, P.C. and Jacob, R. and Quek, K.F. and Omar, S.Z. (2007) Pregnancy outcome in hyperemesis gravidarum and flip effect of laboratory clinical indicators of hyperemesis severity. Journal of Obstetrics and Gynaecology Research, 33 (4). pp. 457-464. ISSN 1341-8076, DOI https://doi.org/10.1111/j.1447-0756.2007.00552.x.
Tan, P.C. and Jacob, R. and Omar, S.Z. (2006) Membrane sweeping at initiation of formal labor induction - a randomized controlled trial. Obstetrics and Gynecology, 107 (3). pp. 569-577. ISSN 0029-7844, DOI https://doi.org/10.1097/01.aog.0000200094.89388.70.
Tan, P.C. and Jacob, R. and Quek, K.F. and Omar, S.Z. (2006) The fetal sex ratio and metabolic, biochemical, haematological and clinical indicators of severity of hyperemesis gravidarum. BJOG An International Journal of Obstetrics and Gynaecology, 113 (6). pp. 733-737. ISSN 1470-0328, DOI https://doi.org/10.1111/j.1471-0528.2006.00947.x.
Siew, S.C. and Jey, V.K. and Omar, S.Z. (2014) A cross-sectional study on medications used by pregnant women: any safety concern? In: Health Economics, Management & Policy Abstracts 13th Annual International Conference on Health Economics, Management & Policy , 23-26 June 2014, Athens, Greece.
Othman, S.H. and Ibrahim, F. and Omar, S.Z. and Rahim, R.B.A. (2008) Flexion relaxation phenomenon of back muscles in discriminating between healthy and chronic low back pain women. In: 4th Kuala Lumpur International Conference on Biomedical Engineering 2008, Biomed 2008, 2008, Kuala Lumpur.
