Ko JKY - Search Results

1

Association of serum vitamin D level and live birth rate in women undergoing frozen embryo transfer-a retrospective cohort study.

Ko JKY, Lam MT, Lam KKW, Chan TO, Li RHW, Ng EHY. Ko JKY, et al. J Assist Reprod Genet. 2025 Jan 9. doi: 10.1007/s10815-024-03326-z. Online ahead of print. J Assist Reprod Genet. 2025. PMID: 39786530

2

Effect of basal serum testosterone level on the ovarian response and the cumulative live birth rate in infertile women undergoing in vitro fertilization.

Wan RSF, Ko JKY, Yung SSF, Ng EHY, Li RHW. Wan RSF, et al. Among authors: ko jky. J Assist Reprod Genet. 2023 Apr;40(4):883-890. doi: 10.1007/s10815-023-02749-4. Epub 2023 Mar 1. J Assist Reprod Genet. 2023. PMID: 36856970 Free PMC article.

3

Association of serum vitamin D concentration and miscarriage rate in women with first-trimester threatened miscarriage.

Ko JKY, Chen SPL, Lam KKW, Li RHW, Ng EHY. Ko JKY, et al. Reprod Biomed Online. 2024 Sep;49(3):104076. doi: 10.1016/j.rbmo.2024.104076. Epub 2024 Apr 20. Reprod Biomed Online. 2024. PMID: 38959531

4

Effect of pre-conception serum vitamin D level on pregnancy outcomes in women undergoing in vitro fertilization with fresh embryo transfer: a retrospective analysis.

Chan AHY, Ko JKY, Li RHW, Chan TO, Ng EHY. Chan AHY, et al. Among authors: ko jky. Reprod Biol Endocrinol. 2025 Jan 9;23(1):4. doi: 10.1186/s12958-025-01343-w. Reprod Biol Endocrinol. 2025. PMID: 39789576 Free PMC article.

5

Comparison of the number of oocytes obtained after ovarian stimulation between Chinese and Caucasian women undergoing in vitro fertilization using a standardized stimulation regime.

Ko JKY, Kan A, Leung P, Lee VCY, Li RHW, Ledger W, Ng EHY. Ko JKY, et al. J Ovarian Res. 2021 Dec 11;14(1):175. doi: 10.1186/s13048-021-00928-4. J Ovarian Res. 2021. PMID: 34895264 Free PMC article.

6

100 YEARS OF VITAMIN D: Effect of serum vitamin D level before ovarian stimulation on the cumulative live birth rate of women undergoing in vitro fertilization: a retrospective analysis.

Ko JKY, Shi J, Li RHW, Yeung WSB, Ng EHY. Ko JKY, et al. Endocr Connect. 2022 Feb 14;11(2):e210444. doi: 10.1530/EC-21-0444. Endocr Connect. 2022. PMID: 35029541 Free PMC article.

7

Comparison of the prevalence and severity of nausea and vomiting in the first trimester between singleton pregnancies conceived from stimulated in vitro fertilization and frozen embryo transfer cycles.

Wong E, Ko JK, Li RH, Ng EH. Wong E, et al. BMC Pregnancy Childbirth. 2022 Oct 4;22(1):746. doi: 10.1186/s12884-022-05072-5. BMC Pregnancy Childbirth. 2022. PMID: 36195858 Free PMC article.

8

Effect of vitamin D in addition to letrozole on the ovulation rate of women with polycystic ovary syndrome: protocol of a multicentre randomised double-blind controlled trial.

Ko JKY, Yung SSF, Lai SF, Wan RSF, Wong CKY, Wong K, Cheung CL, Ng EHY, Li RHW. Ko JKY, et al. BMJ Open. 2024 Apr 29;14(4):e070801. doi: 10.1136/bmjopen-2022-070801. BMJ Open. 2024. PMID: 38684265 Free PMC article.

9

Two-dimensional versus three-dimensional laparoscopy: evaluation of physicians' performance and preference using a pelvic trainer.

Ko JK, Li RH, Cheung VY. Ko JK, et al. J Minim Invasive Gynecol. 2015 Mar-Apr;22(3):421-7. doi: 10.1016/j.jmig.2014.11.007. Epub 2014 Nov 21. J Minim Invasive Gynecol. 2015. PMID: 25461685 Clinical Trial.

10

Sperm retrieval rate and pregnancy rate in infertile couples undergoing in-vitro fertilisation and testicular sperm extraction for non-obstructive azoospermia in Hong Kong.

Ko JK, Chai J, Lee VC, Li RH, Lau E, Ho KL, Tam PC, Yeung WS, Ho PC, Ng EH. Ko JK, et al. Hong Kong Med J. 2016 Dec;22(6):556-62. doi: 10.12809/hkmj154710. Epub 2016 Sep 30. Hong Kong Med J. 2016. PMID: 27687508 Free article.

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