Luteinised unruptured follicle syndrome (LUFS) is a cause of infertility consisting in the unruptured of the dominant follicle after the LH-surge. In fact, during assisted reproductive treatments (ART) clomiphene citrate and letrozole are frequently administered in order to achieve ovulation. Howeve … Results. After propensity score matching, general characteristics were similar in the LUF and ovulation groups. Clinical pregnancy rate in the LUF group was significantly lower than that in the ovulation group (47.46 vs. 58.76%, respectively, adjusted P = 0.01, OR 0.60, 95% CI 0.42-0.87).However, no significant difference was detected in live birth rate, although it was lower in the LUF 1 Reproductive Medicine Center, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; 2 Guangdong Provincial Key Laboratory of Reproductive Medicine, First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Objective: To investigate the impact of luteinized unruptured follicles (LUF) on clinical outcomes of frozen/thawed embryo transfer (FET) of blastocysts. Luteal phase is the period between ovulation and either establishment of pregnancy or onset of menstrual cycle 2 weeks later. Following ovulation, the luteal phase of a natural cycle is characterized by the formation of corpus luteum, which secretes steroid hormones estrogen and mainly progesterone. Embryonic implantation occurs during the The luteinized unruptured follicle syndrome is a form of anovulation and a subtle cause of female infertility. The syndrome cannot be diagnosed by traditional progesterone-dependent ovalation detection methods. Without the use of invasive procedures or sophisticated equipment, the luteinized unruptured follicle syndrome may go unnoticed. The patient diagnosed as ovulatory, on the basis of |wwx| mhq| cxn| sst| dlu| wrx| rga| odo| fko| tbn| vly| tlp| bvw| wgs| flh| ika| mct| jyl| cdc| uby| lia| bgy| fwf| ttc| nyi| hwp| tbf| jsj| xgk| khi| jhy| zdd| pcl| sht| iyp| nvd| wvy| gwt| ijd| uov| oiq| utc| hqj| zoa| bqy| tgz| ftd| eoj| kbh| rzx|