1.Ferraretti AP, Goossens V, Kupka M, Bhattacharya S, de Mouzon J, Castilla JA, Erb K, Korsak V, Nyboe Andersen A, European IVFMCftESoHR, Embryology: Assisted reproductive technology in Europe, 2009: results generated from European registers by ESHRE. Hum Reprod 2013, 28:2318–2331.
2.Saito H, Jwa SC, Kuwahara A, Saito K, Ishikawa T, Ishihara O, Kugu K, Sawa R, Banno K, Irahara M: Assisted reproductive technology in Japan: a summary report for 2015 by The Ethics Committee of The Japan Society of Obstetrics and Gynecology. Reprod Med Biol 2018, 17:20–28.
3.Kyrou D, Fatemi HM, Popovic-Todorovic B, Van den Abbeel E, Camus M, Devroey P: Vaginal progesterone supplementation has no effect on ongoing pregnancy rate in hCG-induced natural frozen-thawed embryo transfer cycles. Eur J Obstet Gynecol Reprod Biol 2010, 150:175–179.
4.Groenewoud ER, Cohlen BJ, Macklon NS: Programming the endometrium for deferred transfer of cryopreserved embryos: hormone replacement versus modified natural cycles. Fertil Steril 2018, 109:768–774.
5.Karizbodagh MP, Rashidi B, Sahebkar A, Masoudifar A, Mirzaei H: Implantation Window and Angiogenesis. J Cell Biochem 2017, 118:4141–4151.
6.Rogers PA, Lederman F, Taylor N: Endometrial microvascular growth in normal and dysfunctional states. Hum Reprod Update 1998, 4:503–508.
7.Ng EH, Chan CC, Tang OS, Yeung WS, Ho PC: The role of endometrial blood flow measured by three-dimensional power Doppler ultrasound in the prediction of pregnancy during in vitro fertilization treatment. Eur J Obstet Gynecol Reprod Biol 2007, 135:8–16.
8.Chien LW, Au HK, Chen PL, Xiao J, Tzeng CR: Assessment of uterine receptivity by the endometrial-subendometrial blood flow distribution pattern in women undergoing in vitro fertilization-embryo transfer. Fertil Steril 2002, 78:245–251.
9.Friedler S, Schenker JG, Herman A, Lewin A: The role of ultrasonography in the evaluation of endometrial receptivity following assisted reproductive treatments: a critical review. Hum Reprod Update 1996, 2:323–335.
10.Schild RL, Knobloch C, Dorn C, Fimmers R, van der Ven H, Hansmann M: Endometrial receptivity in an in vitro fertilization program as assessed by spiral artery blood flow, endometrial thickness, endometrial volume, and uterine artery blood flow. Fertil Steril 2001, 75:361–366.
11.Steer CV, Tan SL, Mason BA, Campbell S: Midluteal-phase vaginal color Doppler assessment of uterine artery impedance in a subfertile population. Fertil Steril 1994, 61:53–58.
12.Kupesic S: The first three weeks assessed by transvaginal color Doppler. J Perinat Med 1996, 24:301–317.
13.Takasaki A, Tamura H, Miwa I, Taketani T, Shimamura K, Sugino N: Endometrial growth and uterine blood flow: a pilot study for improving endometrial thickness in the patients with a thin endometrium. Fertil Steril 2010, 93:1851–1858.
14.Miwa I, Tamura H, Takasaki A, Yamagata Y, Shimamura K, Sugino N: Pathophysiologic features of “thin” endometrium. Fertil Steril 2009, 91:998–1004.
15.Steer CV, Campbell S, Pampiglione JS, Kingsland CR, Mason BA, Collins WP: Transvaginal colour flow imaging of the uterine arteries during the ovarian and menstrual cycles. Hum Reprod 1990, 5:391–395.
16.Deichert U, Albrand-Thielmann C, van de Sandt M: Doppler-sonographic pelvic blood flow measurements and their prognostic value in terms of luteal phase and implantation. Hum Reprod 1996, 11:1591–1593.
17.Sladkevicius P, Valentin L, Marsal K: Blood flow velocity in the uterine and ovarian arteries during the normal menstrual cycle. Ultrasound Obstet Gynecol 1993, 3:199–208.
18.Achiron R, Levran D, Sivan E, Lipitz S, Dor J, Mashiach S: Endometrial blood flow response to hormone replacement therapy in women with premature ovarian failure: a transvaginal Doppler study. Fertil Steril 1995, 63:550–554.
19.O’Donnell RL, Warner P, Lee RJ, Walker J, Bath LE, Kelnar CJ, Wallace WH, Critchley HO: Physiological sex steroid replacement in premature ovarian failure: randomized crossover trial of effect on uterine volume, endometrial thickness and blood flow, compared with a standard regimen. Hum Reprod 2012, 27:1130–1138.
20.van Baal WM, Kenemans P, Stehouwer CD, Peters-Muller ER, van Vugt JM, van der Mooren MJ: Sequentially combined hormone replacement therapy reduces impedance to flow within the uterine and central retinal arteries in healthy postmenopausal women. Am J Obstet Gynecol 1999, 181:1365–1373.
21.Exacoustos C, Lello S, Caporale E, Minghetti MC, Angelozzi D, Arduini D, Romanini C: Monitoring of hormone replacement therapy in postmenopausal women by transvaginal sonography and color flow doppler: study in different phases of sequential therapy. Fertil Steril 1999, 71:536–543.
22.Biljan MM, Taylor CT, Matijevic R, Jones SV, Garden AS, Fraser WD, Diver MJ, Kingsland CR: Exaggerated effects of progestogen on uterine artery pulsatility index in Turner’s syndrome patients receiving hormone replacement therapy. Fertil Steril 1995, 64:1104–1108.
23.Kurjak A, Kupesic S: Ovarian senescence and its significance on uterine and ovarian perfusion. Fertil Steril 1995, 64:532–537.
24.Marsh MS, Bourne TH, Whitehead MI, Collins WP, Campbell S: The temporal effect of progestogen on uterine artery pulsatility index in postmenopausal women receiving sequential hormone replacement therapy. Fertil Steril 1994, 62:771–774.
25.Hillard TC, Bourne TH, Whitehead MI, Crayford TB, Collins WP, Campbell S: Differential effects of transdermal estradiol and sequential progestogens on impedance to flow within the uterine arteries of postmenopausal women. Fertil Steril 1992, 58:959–963.
26.Kanda Y: Investigation of the freely available easy-to-use software ‘EZR’ for medical statistics. Bone Marrow Transplant 2013, 48:452–458.
27.Bu Z, Wang K, Dai W, Sun Y: Endometrial thickness significantly affects clinical pregnancy and live birth rates in frozen-thawed embryo transfer cycles. Gynecol Endocrinol 2016, 32:524–528.
28.Yang W, Zhang T, Li Z, Ren X, Huang B, Zhu G, Jin L: Combined analysis of endometrial thickness and pattern in predicting clinical outcomes of frozen embryo transfer cycles with morphological good-quality blastocyst: A retrospective cohort study. Medicine (Baltimore) 2018, 97:e9577.
29.Wada I, Hsu CC, Williams G, Macnamee MC, Brinsden PR: The benefits of low-dose aspirin therapy in women with impaired uterine perfusion during assisted conception. Hum Reprod 1994, 9:1954–1957.
30.Wang L, Qiao J, Li R, Zhen X, Liu Z: Role of endometrial blood flow assessment with color Doppler energy in predicting pregnancy outcome of IVF-ET cycles. Reprod Biol Endocrinol 2010, 8:122.
31.Merce LT, Barco MJ, Bau S, Troyano J: Are endometrial parameters by three-dimensional ultrasound and power Doppler angiography related to in vitro fertilization/embryo transfer outcome? Fertil Steril 2008, 89:111–117.