abstract because of relation between digestive enzyme activity and feeding of insects that directly is in relation with the damage of insects; studying digestive enzyme systems is important in finding new control methods based on inhibiting digestive enzyme activity. recently using transgenic plants containing enzyme inhibitors is important in improving resistance of crops to pests because of s...

BACKGROUND The aim of the present study was to investigate the psychological influence of gender infertility diagnoses among men in couples about to start their first IVF or ICSI treatment. METHODS The study was a part of a prospective study of 65 men with male infertility diagnosis and 101 men in couples with female, mixed and unexplained infertility diagnoses. Of the 200 men invited, 166 ag...

BACKGROUND Previous research on the aetiology of infertility in sub-Saharan Africa was generally clinic based and it is not known whether findings from this work are representative of the general population. A better understanding of the medical causes of infertility is crucial for reducing the incidence of infertility and for improving the clinical management. OBJECTIVE To determine the type...

BACKGROUND As more women choose to delay childbearing, increasing numbers of them face age-related fertility problems. We aimed to explore the association between age and diagnosed causes of female infertility. METHODS Anonymized data (age of male and female partner, year of first visit, diagnosis, duration and type of infertility) were obtained on all couples attending Aberdeen Fertility Cen...

Background: Epidemiological study of infertility might let the related policy makers to make accurate decisions regarding the potential users’ requirements for infertility workup or management. The objective of this study was to find the incidence and etiologic factors for infertility in Iranian population. Methods: an internet based search through PubMed, Google Scholar, Iran Medex, magiran an...

Unexplained male infertility is a condition in which infertile men have normal semen analyses on multiple occasions with no obvious physical or endocrine abnormality when female partner infertility has been ruled out. In addition to erectile problems and coital factors, immune causes and dysfunctional sperm may contribute to such condition. Contemporary andrology may help analyze the unexplaine...

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...