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...

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...

Background: To ascertain whether using ultrasound guidance during intrauterine insemination (IUI) could increase pregnancy rates. Materials and Methods: The population under study consisted of 73 consecutive couples subjected to IUI in our Human Reproduction Unit, between September and December 2006, with a total of 231 IUI cycles performed. The patients were randomized using a computer-generat...

Unintended pregnancy rates remain high in the United States and these pregnancies may carry increased risks for negative health outcomes. Lack of contraceptive use and inconsistent use are important contributors to the high rate of unintended pregnancies. Women may face certain barriers to starting contraception and using it effectively. The Centers for Disease Control and Prevention has recent...

BACKGROUND The study was conducted to examine the extent of unintended pregnancy among female active-duty military personnel in the US Armed Forces. STUDY DESIGN Data consisted of representative data from active-duty women aged 18-44 years (n=3745) from the 2005 Department of Defense Survey of Health Related Behaviors Among Active Duty Military Personnel. The proportion of women with an unint...

As most studies overestimate the cumulative pregnancy rate, a method is proposed to estimate a more realistic cumulative pregnancy rate by taking into account the reasons for an early cessation of treatment with in-vitro fertilization (IVF). Three methods for calculating cumulative pregnancy rates were compared. The first method assumed that those who stopped treatment had no chance at all of p...