1. Koot YE, Teklenburg G, Salker MS, Brosens JJ, Macklon NS. Molecular aspects of implantation failure. Biochim Biophys Acta 2012; 1822: 1943-1950. [
DOI:10.1016/j.bbadis.2012.05.017]
2. Norwitz ER, Schust DJ, Fisher SJ. Implantation and the survival of early pregnancy. N Engl J Med 2001; 345: 1400-1408. [
DOI:10.1056/NEJMra000763]
3. Cunningham FG, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Implantation, Embryogenesis, and Placental Development: Secretory or Postovulatory Endometrial Phase. In: Cunningham FG, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Williams Obstetrics. USA, McGraw-Hill; 2010: 42-43.
4. Cunningham FG, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Implantation, Embryogenesis, and Placental Development: Secretory or Postovulatory Endometrial Phase. In: Cunningham FG, Leveno KJ, Bloom SL, Hauth JC, Rouse DJ, Spong CY. Williams Obstetrics. USA, McGraw-Hill; 2010: 48.
5. Tsampalas M, Gridelet V, Berndt S, Foidart JM, Geenen V, Perrier d'Hauterive S. Human chorionic gonadotropin: a hormone with immunological and angiogenic properties. J Reprod Immunol 2010; 85: 93-98. [
DOI:10.1016/j.jri.2009.11.008]
6. Kajihara T, Tochigi H, Uchino S, Itakura A, Brosens JJ, Ishihara O. Differential effects of urinary and recombinant chorionic gonadotropin on oxidative stress responses in decidualizing human endometrial stromal cells. Placenta 2011; 32: 592-597. [
DOI:10.1016/j.placenta.2011.05.002]
7. Licht P, Losch A, Dittrich R, Neuwinger J, Siebzehnrubl E, Wildt L. Novel insights into human endometrial paracrinology and embryo-maternal communication by intrauterine microdialysis. Hum Reprod Update 1998; 4: 532-538. [
DOI:10.1093/humupd/4.5.532]
8. Mansour R, Tawab N, Kamal O, El-Faissal Y, Serour A, Aboulghar M, et al. Intrauterine injection of human chorionic gonadotropin before embryo transfer significantly improves the implantation and pregnancy rates in in vitro fertilization/ intracytoplasmic sperm injection: a prospective randomized study. Fertil Steril 2011; 96: 1370-1374. [
DOI:10.1016/j.fertnstert.2011.09.044]
9. Salha OH, Lamb VK, Balen AH. A postal survey of embryo transfer practice in the UK. Hum Reprod 2001; 16: 686-690. [
DOI:10.1093/humrep/16.4.686]
10. Mansour RT, Aboulghar MA, Serour GI, Fahmi I, Ramzy AM, Amin Y. Intracytoplasmic sperm injection using microsurgically retrieved epididymal and testicular sperm. Fertil Steril 1996; 65: 566-572. [
DOI:10.1016/S0015-0282(16)58155-2]
11. Mansour R, Fahmy I, Tawab NA, Kamal A, El-Demery Y, Aboulghar M, et al. Electrical activation of oocytes after intracytoplasmic sperm injection: a controlled randomized study. Fertil Steril 2009; 91: 133-139. [
DOI:10.1016/j.fertnstert.2007.08.017]
12. Bourdiec A, Bédard D, Rao CV, Akoum A. Human Chorionic Gonadotropin Regulates Endothelial Cell Responsiveness to Interleukin 1 and Amplifies the Cytokine-Mediated Effect on Cell Proliferation, Migration and the Release of Angiogenic Factors. Am J Reprod Immunol 2013; 70: 127-138. [
DOI:10.1111/aji.12080]
13. Hoshina M, Boothby M, Hussa R, Pattillo R, Camel HM, Boime I. Linkage of human chorionic gonadotrophin and placental lactogen biosynthesis to trophoblast differentiation and tumorigenesis. Placenta 1985; 6: 163-172. [
DOI:10.1016/S0143-4004(85)80066-7]
14. Bonduelle ML, Dodd R, Liebaers I, Van Steirteghem A, Williamson R, Akhurst R. Chorionic gonadotrophin-beta mRNA, a trophoblast marker, is expressed in human 8-cell embryos derived from tripronucleate zygotes. Hum Reprod 1988; 3: 909-914. [
DOI:10.1093/oxfordjournals.humrep.a136808]
15. Lopata A, Hay DL. The potential of early human embryos to form blastocysts, hatch from their zona and secrete HCG in culture. Hum Reprod 1989; 4 (Suppl.): 87-94. [
DOI:10.1093/humrep/4.suppl_1.87]
16. Ertzeid G, Tanbo T, Dale PO, Storeng R, Mørkrid L, Abyholm T. Human chorionic gonadotropin levels in successful implantations after assisted reproduction techniques. Gynecol Endocrinol 2000; 14: 258-263. [
DOI:10.3109/09513590009167691]
17. Tsampalas M, Gridelet V, Berndt S, Foidart JM, Geenen V, Perrier d'Hauterive S. Human chorionic gonadotropin: a hormone with immunological and angiogenic properties. J Reprod Immunol 2010; 85: 93-98. [
DOI:10.1016/j.jri.2009.11.008]
18. Zeke J, Kanyó K, Zeke H, Cseh A, Vásárhelyi B, Szilágyi A, et al. Pregnancy rates with recombinant versus urinary human chorionic gonadotropin in in vitro fertilization: an observational study. Sci World J 2011; 11: 1781-1787. [
DOI:10.1100/2011/409140]
19. Al-Inany H, Aboulghar MA, Mansour RT, Proctor M. Recombinant versus urinary gonadotrophins for triggering ovulation in assisted conception. Hum Reprod 2005; 20: 2061-2073. [
DOI:10.1093/humrep/dei035]
20. Sugihara K, Kabir-Salmani M, Byrne J, Wolf DP, Lessey B, Iwashita M, et al. Induction of trophinin in human endometrial surface epithelia by CGbeta and IL-1beta. FEBS Lett 2008; 582: 197-202. [
DOI:10.1016/j.febslet.2007.12.001]
21. Wan H, Versnel MA, Cheung WY, Leenen PJ, Khan NA, Benner R, et al. Chorionic gonadotropin can enhance innate immunity by stimulating macrophage function. J Leukoc Biol 2007; 82: 926-933. [
DOI:10.1189/jlb.0207092]
22. Schumacher A, Brachwitz N, Sohr S, Engeland K, Langwisch S, Dolaptchieva M, et al. Human chorionic gonadotropin attracts regulatory T cells into the fetal-maternal interface during early human pregnancy. J Immunol 2009; 182: 5488-5497. [
DOI:10.4049/jimmunol.0803177]
23. Kornyei JL, Lei ZM, Rao CV. Human myometrial smooth muscle cells are novel targets of direct regulation by human chorionic gonadotropin. Biol Reprod 1993; 49: 1149-1157. [
DOI:10.1095/biolreprod49.6.1149]