Melatonin as a new drug for improving oocyte quality Akihisa TakasakiYasuhiko NakamuraHitoshi Morioka Original Article Pages: 139 - 144
Incidental deviation of short and long GAG repeats in the androgen receptor gene for Japanese male infertility Akira NakabayashiKou SueokaYasunori Yoshimura Original Article Pages: 145 - 150
Accuracy of sperm velocity assessment using the Sperm Quality Analyzer V Yuki HiranoHiroaki ShibaharaMitsuaki Suzuki Original Article Pages: 151 - 157
Validity of trans-rectal ultrasound-guided embryo transfer against retroflexed uterus Tetsuya IsobeHirqyuki MinouraNagayasu Toyoda Original Article Pages: 159 - 163
Relationship between follicular fluid hormone levels, embryo quality, and maternal age duringin vitro fertilization after the short or long protocol with a gonadotropin releasing hormone agonist Yoshimasa YokotaMikako YokotaYasuhisa Araki Original Article Pages: 165 - 169
Correlations between steroids concentration in follicular fluid, pronuclear morphology and embryo qualities inin vitro fertilization Junichi HasegawaShinji IwasakiTakashi Okai Original Article Pages: 171 - 176
Serum leptin concentration duringin vitro fertilization treatment with controlled ovarian hyperstimulation: Serum leptin concentration decreases in the early luteal phase in pregnancy AyustawatiHiroaki ShibaharaMitsuaki Suzuki Original Article Pages: 177 - 182