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Oi Shan Tang

Research Profile

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Publications

TOP 3
Vivian Chi Yan Lee; Ernest Hung Yu Ng; Oi Shan Tang; William Shu Biu Yeung; Pak Chung Ho
A prospective double-blinded, randomized, placebo-controlled trial on the use of letrozole pretreatment with misoprostol for second-trimester medical abortion.
Vivian Chi Yan Lee; Oi Shan Tang; Ernest Hung Yu Ng; William Shu Biu Yeung; Pak Chung Ho
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
Oi Shan Tang; Horst Schweer; Sharon W H Lee; Pak Chung Ho
Pharmacokinetics of repeated doses of misoprostol.

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All Publications

2011: Vivian Chi Yan Lee; Ernest Hung Yu Ng; Oi Shan Tang; William Shu Biu Yeung; Pak Chung Ho
A prospective double-blinded, randomized, placebo-controlled trial on the use of letrozole pretreatment with misoprostol for second-trimester medical abortion.
Contraception 2011;84(6):628-33.
2011: Vivian Chi Yan Lee; Oi Shan Tang; Ernest Hung Yu Ng; William Shu Biu Yeung; Pak Chung Ho
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
Contraception 2011;83(1):62-7.
2009: Oi Shan Tang; Horst Schweer; Sharon W H Lee; Pak Chung Ho
Pharmacokinetics of repeated doses of misoprostol.
Human reproduction (Oxford, England) 2009;24(8):1862-9.
2009: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William Shu Biu Yeung; Pak Chung Ho
Changes in endometrial and subendometrial blood flow in IVF.
Reproductive biomedicine online 2009;18(2):269-75.
2009: Helena von Hertzen; Gilda Piaggio; Daniel Wojdyla; Lena Marions; N T My Huong; Oi Shan Tang; A H Fang; S C Wu; L Kalmar; Suneeta Mittal; Radnaabazar Erdenetungalag; M Horga; Alenka Pretnar-Darovec; A Kapamadzija; K Dickson; N D Anh; N V Tai; H T D Tuyet; Alexandre Peregoudov
Two mifepristone doses and two intervals of misoprostol administration for termination of early pregnancy: a randomised factorial controlled equivalence trial.
BJOG : an international journal of obstetrics and gynaecology 2009;116(3):381-9.
2009: J Chai; Oi Shan Tang; Q Q Hong; Q F Chen; L N Cheng; E Ng; Pak Chung Ho
A randomized trial to compare two dosing intervals of misoprostol following mifepristone administration in second trimester medical abortion.
Human reproduction (Oxford, England) 2009;24(2):320-4.
2008: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal blood flow following clomiphene citrate challenge test in infertile women.
Journal of clinical ultrasound : JCU 2008;36(7):403-8.
2008: Ernest Hung Yu Ng; Estella Yee Lan Lau; William S B Yeung; Thomas M T Cheung; Oi Shan Tang; Pak Chung Ho
Randomized double-blind comparison of laser zona pellucida thinning and breaching in frozen-thawed embryo transfer at the cleavage stage.
Fertility and sterility 2008;89(5):1147-53.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial blood flow measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during in vitro fertilization treatment.
European journal of obstetrics, gynecology, and reproductive biology 2007;135(1):8-16.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Comparison of 2-dimensional, 3-dimensional, and vascular ultrasonographic parameters for endometrial receptivity between 2 consecutive stimulated in vitro fertilization cycles.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2007;26(7):931-9.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial vascularity is higher in pregnant patients with livebirth following ART than in those who suffer a miscarriage.
Human reproduction (Oxford, England) 2007;22(4):1134-41.
2007: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
A randomized comparison of side effects and patient convenience between Cyclogest suppositories and Endometrin tablets used for luteal phase support in IVF treatment.
European journal of obstetrics, gynecology, and reproductive biology 2007;131(2):182-8.
2006: Oi Shan Tang; Pak Chung Ho
Clinical applications of mifepristone.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2006;22(12):655-9.
2006: Oi Shan Tang; Pak Chung Ho
The use of misoprostol for early pregnancy failure.
Current opinion in obstetrics & gynecology 2006;18(6):581-6.
2006: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Chin Peng Lee; Pak Chung Ho
The prevalence of polycystic ovaries in Chinese women with a history of gestational diabetes mellitus.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2006;22(9):516-20.
2006: Oi Shan Tang; Pak Chung Ho
The pharmacokinetics and different regimens of misoprostol in early first-trimester medical abortion.
Contraception 2006;74(1):26-30.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial and subendometrial vascularity measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during frozen-thawed embryo transfer cycles.
Human reproduction (Oxford, England) 2006;21(6):1612-7.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Factors affecting endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound during IVF treatment.
Human reproduction (Oxford, England) 2006;21(4):1062-9.
2006: Ernest Hung Yu Ng; Carina C W Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Relationship between uterine blood flow and endometrial and subendometrial blood flows during stimulated and natural cycles.
Fertility and sterility 2006;85(3):721-7.
2006: Carina Chi Wai Chan; Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Endometrial, subendometrial, and ovarian stromal blood flow in patients treated with two different doses of recombinant human chorionic gonadotropin.
Fertility and sterility 2006;85(2):520-2.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Comparison of endometrial and subendometrial blood flows among patients with and without hydrosalpinx shown on scanning during in vitro fertilization treatment.
Fertility and sterility 2006;85(2):333-8.
2006: Carina C W Chan; Oi Shan Tang; Winnie Nga Ting Lau; Grace W K Tang
Bone turnover in young hypoestrogenic women on hormonal therapy.
European journal of obstetrics, gynecology, and reproductive biology 2006;124(2):204-6.
2006: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal vascularity is not predictive of ovarian response and pregnancy.
Reproductive biomedicine online 2006;12(1):43-9.
2006: Carina C W Chan; Marcel Wing Leung Koo; Ernest Hung Yu Ng; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Effects of Chinese green tea on weight, and hormonal and biochemical profiles in obese patients with polycystic ovary syndrome--a randomized placebo-controlled trial.
Journal of the Society for Gynecologic Investigation 2006;13(1):63-8.
2006: Oi Shan Tang; Charas Y T Ong; Ka Yu Tse; Ernest Hung Yu Ng; Sharon W H Lee; Pak Chung Ho
A randomized trial to compare the use of sublingual misoprostol with or without an additional 1 week course for the management of first trimester silent miscarriage.
Human reproduction (Oxford, England) 2006;21(1):189-92.
2006: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
The role of endometrial and subendometrial blood flows measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during IVF treatment.
Human reproduction (Oxford, England) 2006;21(1):164-70.
2005: Oi Shan Tang; Carina C W Chan; Anita Sik Yau Kan; Pak Chung Ho
A prospective randomized comparison of sublingual and oral misoprostol when combined with mifepristone for medical abortion at 12-20 weeks gestation.
Human reproduction (Oxford, England) 2005;20(11):3062-6.
2005: Ernest Hung Yu Ng; Oi Shan Tang; Carina Chi Wai Chan; Pak Chung Ho
Ovarian stromal blood flow in the prediction of ovarian response during in vitro fertilization treatment.
Human reproduction (Oxford, England) 2005;20(11):3147-51.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Karen K L Chan; Pak Chung Ho
Comparison of three-dimensional hysterosalpingo-contrast-sonography and diagnostic laparoscopy with chromopertubation in the assessment of tubal patency for the investigation of subfertility.
Acta obstetricia et gynecologica Scandinavica 2005;84(9):909-13.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Circadian changes in uterine artery and ovarian stromal blood flow after pituitary down-regulation.
Journal of the Society for Gynecologic Investigation 2005;12(6):452-5.
2005: Carina C W Chan; Ernest Hung Yu Ng; Oi Shan Tang; William S B Yeung; Estella Yee Lan Lau; Pak Chung Ho
A prospective, randomized, double-blind study to compare two doses of recombinant human chorionic gonadotropin in inducing final oocyte maturity and the hormonal profile during the luteal phase.
The Journal of clinical endocrinology and metabolism 2005;90(7):3933-8.
2005: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
Antral follicle count and FSH concentration after clomiphene citrate challenge test in the prediction of ovarian response during IVF treatment.
Human reproduction (Oxford, England) 2005;20(6):1647-54.
2005: Ernest Hung Yu Ng; Fatima Naveed; Estella Yee Lan Lau; William S B Yeung; Carina Chi Wai Chan; Oi Shan Tang; Pak Chung Ho
A randomized double-blind controlled study of the efficacy of laser-assisted hatching on implantation and pregnancy rates of frozen-thawed embryo transfer at the cleavage stage.
Human reproduction (Oxford, England) 2005;20(4):979-85.
2005: C C W Chan; Oi Shan Tang; Ernest Hung Yu Ng; Chiu-fai Ivy Li; Pak Chung Ho
Intracervical sodium nitroprusside versus vaginal misoprostol in first trimester surgical termination of pregnancy: a randomized double-blinded controlled trial.
Human reproduction (Oxford, England) 2005;20(3):829-33.
2005: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound in patients with small intramural uterine fibroids during IVF treatment.
Human reproduction (Oxford, England) 2005;20(2):501-6.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William Shu Biu Yeung; Pak Chung Ho
Effect of pituitary downregulation on antral follicle count, ovarian volume and stromal blood flow measured by three-dimensional ultrasound with power Doppler prior to ovarian stimulation.
Human reproduction (Oxford, England) 2004;19(12):2811-5.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Comparison of endometrial and subendometrial blood flow measured by three-dimensional power Doppler ultrasound between stimulated and natural cycles in the same patients.
Human reproduction (Oxford, England) 2004;19(10):2385-90.
2004: Oi Shan Tang; Winnie Nga Ting Lau; Carina Chi Wai Chan; Pak Chung Ho
A prospective randomised comparison of sublingual and vaginal misoprostol in second trimester termination of pregnancy.
BJOG : an international journal of obstetrics and gynaecology 2004;111(9):1001-5.
2004: H Lam; Oi Shan Tang; C P Lee; Pak Chung Ho
A pilot-randomized comparison of sublingual misoprostol with syntometrine on the blood loss in third stage of labor.
Acta obstetricia et gynecologica Scandinavica 2004;83(7):647-50.
2004: Helena Honkanen; Gilda Piaggio; Helena Hertzen; Gyorgy Bártfai; Radnaabazar Erdenetungalag; Kristina Gemzell Danielsson; Sarala Gopalan; Mihai Horga; Fridtjof Jerve; Suneeta Mittal; Nguyen Thi Nhu Ngoc; Alexandre Peregoudov; R N V Prasad; Alenka Pretnar-Darovec; Rashmi S Shah; Si Song; Oi Shan Tang; Shang Chun Wu
WHO multinational study of three misoprostol regimens after mifepristone for early medical abortion.
BJOG : an international journal of obstetrics and gynaecology 2004;111(7):715-25.
2004: Oi Shan Tang; Kam Hung Mok; Pak Chung Ho
A randomized study comparing the use of sublingual to vaginal misoprostol for pre-operative cervical priming prior to surgical termination of pregnancy in the first trimester.
Human reproduction (Oxford, England) 2004;19(5):1101-4.
2004: Ernest Hung Yu Ng; Carina Chi Wai Chan; Oi Shan Tang; William S B Yeung; Pak Chung Ho
Endometrial and subendometrial blood flow measured during early luteal phase by three-dimensional power Doppler ultrasound in excessive ovarian responders.
Human reproduction (Oxford, England) 2004;19(4):924-31.
2003: Oi Shan Tang; Carina C W Chan; Ernest Hung Yu Ng; Sharon W H Lee; Pak Chung Ho
A prospective, randomized, placebo-controlled trial on the use of mifepristone with sublingual or vaginal misoprostol for medical abortions of less than 9 weeks gestation.
Human reproduction (Oxford, England) 2003;18(11):2315-8.
2003: Carina C W Chan; Ernest Hung Yu Ng; Maureen M Y Chan; Oi Shan Tang; Estella Yee Lan Lau; William S B Yeung; Pak Chung Ho
Bioavailability of hCG after intramuscular or subcutaneous injection in obese and non-obese women.
Human reproduction (Oxford, England) 2003;18(11):2294-7.
2003: Suk Wai Ngai; Oi Shan Tang; Pak Chung Ho
Prostaglandins for induction of second-trimester termination and intrauterine death.
Best practice & research. Clinical obstetrics & gynaecology 2003;17(5):765-75.
2003: Helena von Hertzen; Helena Honkanen; Gilda Piaggio; György Bartfai; Radnaabazar Erdenetungalag; Kristina Gemzell Danielsson; Sarala Gopalan; Mihai Horga; Fridtjof Jerve; Suneeta Mittal; Nguyen Thi Nhu Ngoc; Alexandre Peregoudov; R N V Prasad; Alenka Pretnar-Darovec; Rashmi S Shah; Si Song; Oi Shan Tang; Shang Chun Wu
WHO multinational study of three misoprostol regimens after mifepristone for early medical abortion. I: Efficacy.
BJOG : an international journal of obstetrics and gynaecology 2003;110(9):808-18.
2003: Wai Cheung; Oi Shan Tang; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of sublingual misoprostol in termination of pregnancy up to 7 weeks gestation.
Contraception 2003;68(2):97-9.
2003: Oi Shan Tang; Winnie Nga Ting Lau; Ernest Hung Yu Ng; Sharon Wai Heung Lee; Pak Chung Ho
A prospective randomized study to compare the use of repeated doses of vaginal with sublingual misoprostol in the management of first trimester silent miscarriages.
Human reproduction (Oxford, England) 2003;18(1):176-81.
2002: Oi Shan Tang; Sharon W H Lee; Pak Chung Ho
A prospective randomized study on the measured blood loss in medical termination of early pregnancy by three different misoprostol regimens after pretreatment with mifepristone.
Human reproduction (Oxford, England) 2002;17(11):2865-8.
2002: Oi Shan Tang; Jieshuang Xu; Linan Cheng; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of sublingual misoprostol with mifepristone in termination of first trimester pregnancy up to 9 weeks gestation.
Human reproduction (Oxford, England) 2002;17(7):1738-40.
2002: Pak Chung Ho; Ernest Hung Yu Ng; Oi Shan Tang
Mifepristone: contraceptive and non-contraceptive uses.
Current opinion in obstetrics & gynecology 2002;14(3):325-30.
2002: Oi Shan Tang; Pak Chung Ho
Medical abortion in the second trimester.
Best practice & research. Clinical obstetrics & gynaecology 2002;16(2):237-46.
2002: Oi Shan Tang; Benyu Miao; Sharon W H Lee; Pak Chung Ho
Pilot study on the use of repeated doses of sublingual misoprostol in termination of pregnancy up to 12 weeks gestation: efficacy and acceptability.
Human reproduction (Oxford, England) 2002;17(3):654-8.
2002: Oi Shan Tang; Horst Schweer; Hannsjörg W Seyberth; Sharon W H Lee; Pak Chung Ho
Pharmacokinetics of different routes of administration of misoprostol.
Human reproduction (Oxford, England) 2002;17(2):332-6.
2002: Oi Shan Tang; Jieshuang Xu; Linan Cheng; Sharon W H Lee; Pak Chung Ho
The effect of contraceptive pills on the measured blood loss in medical termination of pregnancy by mifepristone and misoprostol: a randomized placebo controlled trial.
Human reproduction (Oxford, England) 2002;17(1):99-102.
2001: Oi Shan Tang; Pak Chung Ho
Pilot study on the use of sublingual misoprostol for medical abortion.
Contraception 2001;64(5):315-7.
2001: Oi Shan Tang; Ernest Hung Yu Ng; William Wai Ki So; Pak Chung Ho
Ultrasound-guided embryo transfer: a prospective randomized controlled trial.
Human reproduction (Oxford, England) 2001;16(11):2310-5.
2001: Oi Shan Tang; K Joo Thong; David T Baird
Second trimester medical abortion with mifepristone and gemeprost: a review of 956 cases.
Contraception 2001;64(1):29-32.
2001: Suk Wai Ngai; Yik-Ming Chan; Oi Shan Tang; Pak Chung Ho
Vaginal misoprostol as medical treatment for first trimester spontaneous miscarriage.
Human reproduction (Oxford, England) 2001;16(7):1493-6.
2001: Ernest Hung Yu Ng; DK Chui; Oi Shan Tang; Pak Chung Ho
Paracervical block with and without conscious sedation: a comparison of the pain levels during egg collection and the postoperative side effects.
Fertility and sterility 2001;75(4):711-7.
2001: Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
Measurement of serum CA-125 concentrations does not improve the value of Chlamydia trachomatis antibody in predicting tubal pathology at laparoscopy.
Human reproduction (Oxford, England) 2001;16(4):775-9.
2001: Ernest Hung Yu Ng; DK Chui; Oi Shan Tang; Estella Yee Lan Lau; William S B Yeung; H P Chung
In vitro fertilization and embryo transfer during natural cycles.
The Journal of reproductive medicine 2001;46(2):95-9.
2000: Oi Shan Tang; G Tang; P S Yip; B Li
Further evaluation on long-term depot-medroxyprogesterone acetate use and bone mineral density: a longitudinal cohort study.
Contraception 2000;62(4):161-4.
2000: Suk Wai Ngai; Oi Shan Tang; Pak Chung Ho
Randomized comparison of vaginal (200 microg every 3 h) and oral (400 microg every 3 h) misoprostol when combined with mifepristone in termination of second trimester pregnancy.
Human reproduction (Oxford, England) 2000;15(10):2205-8.
2000: Ernest Hung Yu Ng; Oi Shan Tang; DK Chui; Pak Chung Ho
Comparison of two different doses of lignocaine used in paracervical block during oocyte collection in an IVF programme.
Human reproduction (Oxford, England) 2000;15(10):2148-51.
2000: Ernest Hung Yu Ng; Oi Shan Tang; Pak Chung Ho
The significance of the number of antral follicles prior to stimulation in predicting ovarian responses in an IVF programme.
Human reproduction (Oxford, England) 2000;15(9):1937-42.
2000: Oi Shan Tang; Ernest Hung Yu Ng; P Wai Cheng; Pak Chung Ho
Cortical vein thrombosis misinterpreted as intracranial haemorrhage in severe ovarian hyperstimulation syndrome: case report.
Human reproduction (Oxford, England) 2000;15(9):1913-6.
2000: Suk Wai Ngai; Oi Shan Tang; Yik-Ming Chan; Pak Chung Ho
Vaginal misoprostol alone for medical abortion up to 9 weeks of gestation: efficacy and acceptability.
Human reproduction (Oxford, England) 2000;15(5):1159-62.
1999: Ernest Hung Yu Ng; Oi Shan Tang; DK Chui; Pak Chung Ho
A prospective, randomized, double-blind and placebo-controlled study to assess the efficacy of paracervical block in the pain relief during egg collection in IVF.
Human reproduction (Oxford, England) 1999;14(11):2783-7.
1999: Suk Wai Ngai; Yik-Ming Chan; Oi Shan Tang; Pak Chung Ho
The use of misoprostol for pre-operative cervical dilatation prior to vacuum aspiration: a randomized trial.
Human reproduction (Oxford, England) 1999;14(8):2139-42.
1999: Oi Shan Tang; P P Gao; Linan Cheng; Sharon W H Lee; Pak Chung Ho
A randomized double-blind placebo-controlled study to assess the effect of oral contraceptive pills on the outcome of medical abortion with mifepristone and misoprostol.
Human reproduction (Oxford, England) 1999;14(3):722-5.
1999: Oi Shan Tang; Kin-Sun Wong; Lawrence C H Tang; Pak Chung Ho
Pilot study on the use of repeated doses of misoprostol in termination of pregnancy at less than 9 weeks of gestation.
Advances in contraception : the official journal of the Society for the Advancement of Contraception 1999;15(3):211-6.
1999: Oi Shan Tang; G Tang; Paul Yip; B Li; S Fan
Long-term depot-medroxyprogesterone acetate and bone mineral density.
Contraception 1999;59(1):25-9.
1998: Oi Shan Tang; P P Gao; Linan Cheng; S Lee; Pak Chung Ho
Pilot study on the use of a two-week course of oral misoprostol in patients after termination of pregnancy with mifepristone and misoprostol.
Contraception 1998;57(2):89-91.
1995: Suk Wai Ngai; Oi Shan Tang; Terence T Lao; Pak Chung Ho; H K Ma
Oral misoprostol versus placebo for cervical dilatation before vacuum aspiration in first trimester pregnancy.
Human reproduction (Oxford, England) 1995;10(5):1220-2.