background: intrauterine insemination (iui) is the first therapeutic step in assisted reproductive techniques and many factors, including male and female infertility and technique-dependent factors, have been reported to influence pregnancy rates after iui. methods: we carried out this retrospective study on 1201 couples undergoing 3012 intrauterine insemination cycles during 2002 to 2009. preg...

background: repeated implantation failure (rif) is defined as pregnancy failure after two to six times with at least ten high grade embryo transfer to uterus. a variety of causes have been anticipated for rif, including anatomical, autoimmune, genetics, endocrine and thrombotic anomalies. factors responsible for rif have important implication regarding treatment however in many couples a perfec...

background: human fertility has been declined all over the world. advanced women’s age is one of the most important factors in determining the success of reproduction and ageing has negative impact on art outcome and advanced female age decreases the chance of live birth rates achieved using art, especially after 40 years of age. objective: to evaluate art outcomes regarding to pregnancy, abort...

Objective- The aim of this study was to determine the first possible time for pregnancy recognition and several features of developing embryo between days 8 to 44 of pregnancy. Design- Experimental study Animals- Six healthy registered Caspian mares Procedures- Daily ultrasound examinations were conducted from days 8 to 44 (ovulation = day 0) of pregnancy to monitor the conceptus in Caspian ...

background: despite major advances in assisted reproductive techniques, the implantation rates remain relatively low. some studies have demonstrated that intrauterine infusion of granulocyte colony stimulating factor (g-csf) improves implantation in infertile women. objective: to assess the g-csf effects on ivf outcomes in women with normal endometrial thickness. materials and methods : in this...

Unintended pregnancies are associated with unsafe abortion and greater risk of maternal morbidity and maternal deaths. In Bangladesh, approximately one-third of pregnancies are unintended. Considering the magnitude of the situation and its consequences, this article explores factors associated with the prevalence of unintended pregnancies in rural Bangladesh with implications for policy interve...

background: human chorionic gonadotropin (hcg) has been used as a replacement for the mid-cycle luteinizing hormone (lh) surge for several years. the recent arrival of recombinant dna technology has made recombinant hcg (rhcg) accessible. objective: to assess efficacy of rhcg compared to urinary hcg (uhcg) for triggering of ovulation and induction of final oocyte maturation in assisted reproduc...

This report examines a myriad of research on teenage pregnancy across the United States and specifically the state of Texas to elucidate the correlates involved with teenage pregnancy rates. This research includes studies compiled mostly from the 2010 census in Texas counties and employs a multiple regression analysis of the variables to determine the statistical significance of each one in rel...

Each year in the United States, 800,000-900,000 adolescents aged < or = 19 years become pregnant. Adolescent pregnancy and childbearing have been associated with adverse health and social consequences for young women and their children. This report presents estimated national numbers of pregnancies and national and state-specific pregnancy rates for adolescents aged < or = 19 years from 1995 to...