Introduction Among women ages 15–44, 6.7 million have impaired ability to have children, 1.5 million are infertile, and 7.4 million have used infertility services in their lifetime (www.cdc.gov/nchs/fastats/fertile.htm). Now more than ever, women are having their fertility manipulated by reproductive endocrinology clinics and are undergoing multiple cycles without knowing the long-term effects ...

Abstract Eugenics is often referred to in discussions on the ethics of reproductive technologies. References word “eugenics” are used draw distinctions between ethically permissible and impermissible technologies, uses these While historians have long argued that 20th century eugenics cannot be reduced a uniform set practices, references technologies proven difficult eradicate. Some authors str...

BACKGROUND Mexican-American fertility is poorly understood because data limitations prevent researchers from accurately estimating the fertility levels of members of this group and from determining how their fertility changes within and across generations. OBJECTIVE Using binational data and an innovative methodological addressing key methodological limitations, I (1) estimate the fertility of ...

background: phenol is an estrogenic and toxic compound and people are widely exposed to it, in different ways.  objectives: the aim of this study was to determine  the  negative effects of phenol on the fertility of male mice, by investigating sperm parameters including viability, motility, fertility rates and daily sperm production (dsp). methods: a total of 106 adult nih mice were divided int...

reports indicate that one of the causes of harmful to the genital system, especially the testes is stress. result of damage to testicular quality certainly will affect the quality of sperm fertility. stress could be created secondarily after some pathological conditions such as neurological diseases or environmental factors. one of the causes of stress could be scary voices, such as cat voice f...

fuel wood provides the main source of energy for cooking and space heating for over 80 percent of households living in kenya. the heavy reliance on the biomass energy has exerted an imbalance in demand and supply consequently resulting in adverse environmental effects in kenya. as part of innovation efforts, several energy-conserving technologies have been developed. a unique cook stove named m...