1. Lawrenz B, Humaidan P, Kol S, Fatemi HM (2018) GnRHa trigger and luteal coasting: a new approach for the ovarian hyperstimulation syndrome high-risk patient? Reprod Biomed Online 36: 75-7.
2. Andersen CY, Kelsey T, Mamsen LS, Vuong LN (2020) Shortcomings of an unphysiological triggering of oocyte maturation using human chorionic gonadotropin. Fertil Steril 114: 200-8.
3. Casper RF (2015) Basic understanding of gonadotropin-releasing hormone-agonist triggering. Fertil Steril 103: 867-9.
4. Andersen CY, Fischer R, Giorgione V, Kelsey TW (2016) Micro-dose hCG as luteal phase support without exogenous progesterone administration: mathematical modelling of the hCG concentration in circulation and initial clinical experience. Journal of assisted reproduction and genetics 33: 1311-8.
5. Gudmundsson J, Fleming R, Jamieson ME, McQueen D, Coutts JR (1990) Luteinization to oocyte retrieval delay in women in whom multiple follicular growth was induced as part of an in vitro fertilization/gamete intrafallopian transfer program. Fertil Steril 53: 735-7.
6. Bosdou JK, Kolibianakis EM, Venetis CA, Zepiridis L, Chatzimeletiou K, et al. (2015) Is the time interval between HCG administration and oocyte retrieval associated with oocyte retrieval rate? Reprod Biomed Online 31: 625-32.
7. Deng M, Liang Y, Qin H, Tan Y, Mai Q, et al. (2020) A moderately extended time interval between hCG administration and oocyte retrieval is good for most patients with oocyte retrieval scheduled on the same day: a retrospective cohort study. Journal of Obstetrics and Gynaecology 40: 1006-11.
8. Mehlmann LM (2005) Stops and starts in mammalian oocytes: recent advances in understanding the regulation of meiotic arrest and oocyte maturation. Reproduction 130: 791-9.
9. Decleer W, Osmanagaoglu K, Seynhave B, Kolibianakis S, Tarlatzis B, et al. (2014) Comparison of hCG triggering versus hCG in combination with a GnRH agonist: a prospective randomized controlled trial. Facts, views & vision in ObGyn 6: 203.
10. Depalo R, Jayakrishan K, Garruti G, Totaro I, Panzarino M, et al. (2012) GnRH agonist versus GnRH antagonist in in vitro fertilization and embryo transfer (IVF/ET). Reproductive biology and endocrinology 10: 26.
11. Alsbjerg B, Elbaek HO, Laursen RJ, Povlsen BB, Haahr T, et al. (2017) Bio- equivalent doses of recombinant HCG and recombinant LH during ovarian stimulation result in similar oestradiol output: a randomized controlled study. Reproductive biomedicine online 35: 232-8.12.
12. Nelson SM (2017) Prevention and management of ovarian hyperstimulation syndrome. Thromb Res 151: S61-S4.
13. Kirkpatrick L, Feeney B (2012) A simple guide to IBM SPSS: for version 20.0: Nelson education.
14. Control CfD (2012) Prevention assisted reproductive technology fertility clinic success rates report Table entitled 2014:21.
15. Droesch K, Muasher SJ, Kreiner D, Jones GS, Acosta AA, et al. (1988) Timing of oocyte retrieval in cycles with a spontaneous luteinizing hormone surge in a large in vitro fertilization program. Fertil Steril 50: 451-6.
16. Nargund G, Reid F, Parsons J (2001) Human chorionic gonadotropin-to-oocyte collection interval in a superovulation IVF program. A prospective study. J Assist Reprod Genet 18: 87-90.
17. Bjercke S, Tanbo T, Dale PO, Abyholm T (2000) Comparison between two HCG-to-oocyte aspiration intervals on the outcome of IVF. Hum Reprod 15: 227-8.
18. Mansour RT, Aboulghar MA, Serour GI (1994) Study of the optimum time for human chorionic gonadotropin-ovum pickup interval in in vitro fertilization. J Assist Reprod Genet 11: 478-81.
19. Reichman DE, Missmer SA, Berry KF, Ginsburg ES, Racowsky C (2011) Effect of time between human chorionic gonadotropin injection and egg retrieval is age dependent. Fertility and sterility 95: 1990-5.
20. Wang W, Zhang X-H, Wang W-H, Liu Y-L, Zhao L-H, et al. (2011) The time interval between hCG priming and oocyte retrieval in ART program: a meta-analysis. Journal of assisted reproduction and genetics 28: 901-10.
21. Bokal EV, Vrtovec HM, Virant Klun I, Verdenik I (2005) Prolonged HCG action affects angiogenic substances and improves follicular maturation, oocyte quality and fertilization competence in patients with polycystic ovarian syndrome. Hum Reprod 20: 1562-8.
22. Jamieson ME, Fleming R, Kader S, Ross KS, Yates RW, et al. (1991) In vivo and in vitro maturation of human oocytes: effects on embryo development and polyspermic fertilization. Fertil Steril 56: 93-7.
23. Papayannis M, Demarco A, Terrado Gil G, Bisioli C, Serna J, et al. (2018) Time intervals from the hCG trigger: analysis of different checkpoints and their impact on embryo development, implantation and pregnancy. Human Reproduction; 2018: OXFORD UNIV PRESS GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND.
24. Tadros T, Chenoz L, Poulain M, Adda-Herzog E, Ayoubi J, et al. (2017) Time interval between hCG administration and oocyte retrieval significantly influences IVF-ET results. 33rd Annual Meeting of the European Society of Human Reproduction and Embryology.
25. Weiss A, Neril R, Geslevich J, Lavee M, Beck-Fruchter R, et al. (2014) Lag time from ovulation trigger to oocyte aspiration and oocyte maturity in assisted reproductive technology cycles: a retrospective study. Fertil Steril 102: 419-23.
26. Wang W, Zhang XH, Wang WH, Liu YL, Zhao LH, et al. (2011) The time interval between hCG priming and oocyte retrieval in ART program: a meta-analysis. J Assist Reprod Genet 28: 901-10.
27. Tien NV, Hoi NX (2014) Optimizing the time interval between hCG triggering and occyte retrieval in different ovarian protocols in art: a prospective study in vietnam. Fertil Steril 102: e315.
28. Shen X, Long H, Guo W, Xie Y, Gao H, et al. (2020) The ovulation trigger–OPU time interval of different ovarian protocols in ART: a retrospective study. Arch Gynecol Obstetr.
29. Park I, Lee K, Sun H, Kim J, Chi H, et al. (2017) Effect of interval between ovulation trigger and oocyte aspiration in GnRH antagonist cycles. Fertil Steril 108: e229.
30. Engmann L, Benadiva C, Humaidan P (2016) GnRH agonist trigger for the induction of oocyte maturation in GnRH antagonist IVF cycles: a SWOT analysis. Reprod biomed Online 32: 274-85.
31. Haahr T, Roque M, Esteves SC, Humaidan P (2017) GnRH Agonist Trigger and LH Activity Luteal Phase Support versus hCG Trigger and Conventional Luteal Phase Support in Fresh Embryo Transfer IVF/ICSI Cycles-A Systematic PRISMA Review and Meta-analysis. Front Endocrinol (Lausanne) 8: 116.