Abstract Background More than 67% of all embryos transferred in the United States involve frozen-thawed embryos. Progesterone supplementation is necessary medicated cycles to luteinize endometrium and prepare it for implantation, but little data available show if this beneficial true natural cycles. We evaluated use luteal phase progesterone cryopreserved/warmed blastocyst transfers not using a...

The etiology of developmental dysplasia of the hip (DDH) is unknown. There are many insights, however, from epidemiologic/demographic information. A systematic medical literature review regarding DDH was performed. There is a predominance of left-sided (64.0%) and unilateral disease (63.4%). The incidence per 1000 live births ranges from 0.06 in Africans in Africa to 76.1 in Native Americans. T...

Reproductive autonomy is central to women's welfare both because childbearing takes place in women's bodies and because they are generally expected to take primary responsibility for child rearing. In 2005, the factors that influence their autonomy most strongly are poverty and belief systems that devalue such autonomy. Unfortunately, such autonomy is a low priority for most societies, or is an...

OBJECTIVES AND AIM IVF has become an efficient and widely used treatment for infertile couples, however, it is responsible for an increasing number of multifetal pregnancies and adverse neonatal outcomes. This study aimed to assess a health service utilization in one neonatal intensive care unit (NICU), as a response to the 2010 Turkish reproductive regulation requiring single embryo transfer (...

After a long continuous decrease, the twinning and higher multifetal rates in many developed countries have increased during the last 2 to 3 decades. This change has been attributed to delayed childbearing and to increased use of subfertility treatments, particularly in women over 35 years of age. In this study we analyze how these new trends depend on changes in the effect of maternal age on t...