In many animal societies, dominant individuals monopolize reproduction, but the tactics they employ to achieve this are poorly understood. One possibility is that aggressive dominants render their subordinates infertile by inducing chronic physiological "stress." However, this hypothesis has been discarded largely for cooperatively breeding species, where reproductive monopolies are often extre...

Background: Polycystic ovary syndrome (PCOS) stands for highly prevalent female endocrine pathology. Females suffering from PCOS have a significantly higher number of inflammatory markers. The IL-1 family members enormously affect the innate immune system. Objectives: Study changes in levels Interleukin- 1ß and 27 stimulated non-stimulated cycle (by gonadotrophin) polycystic ovarian women. Meth...

objective: since health related quality of life is an important issue for infertile couples a review was conducted to examine the literature. materials and methods: this was a minireview of the literature covering all full publications that have been appeared in the english language biomedical journals. the search strategy included a combination of key words ‘quality of life', ‘infertility, and...

Polycystic ovary syndrome (PCOS) pathophysiology is poorly understood, due partly to lack of PCOS animal models fully recapitulating this complex disorder. Recently, a PCOS rat model using letrozole (LET), a nonsteroidal aromatase inhibitor, mimicked multiple PCOS phenotypes, including metabolic features absent in other models. Given the advantages of using genetic and transgenic mouse models, ...

BACKGROUND There has been an increase in number of obese infertile females booked for advanced infertility treatment procedures like in vitro fertilization (IVF) and intra cytoplasmic sperm injection (ICSI). The knowledge of impact of body mass index (BMI) on reproductive outcome can help to counsel these patients. OBJECTIVE To compare reproductive outcome in females of different BMI after IC...

An increasing number of infertile, hepatitis B virus-infected individuals have opted for assisted reproductive technology. However, the impact of the hepatitis B virus carrier serostatus on neonatal outcomes has not been evaluated. Data from 504 patients who delivered singletons were analyzed. In females, hepatitis B surface antigen, hepatitis B e antigen, and antibody to hepatitis core antigen...

Cystic fibrosis (CF) is one of the autosomal recessive diseases, caused by mutations in a gene known as cystic fibrosis transmembrane regulator (CFTR). The majority of adult males with CF (99%) is characterized by congenital bilateral absence of vas deferens (CBAVD). CBAVD is encountered in 1-2% of infertile males without CF. Females with CF are found to be less fertile than normal healthy wome...

Rats were surgically made bilaterally cryptorchid and after 4-8 days the testes were returned to the scrotum. After 70 days fertility was tested by pairing with females. Fertility was restored in 5/6 rats with testes cryptorchid for 4 or 5 days, but only 2/9 were fertile when the duration of cryptorchidism was 6-8 days. The sterility was due to irreversible degeneration of the spermatogonial st...

Three North Carolina populations of Belonolairnus longicaudatus differed significantly from three Georgia populations in stylet measurements, the c ratio, the distance of the excretory pore from the anterior end for both sexes; the a ratio for females only; and the total body length, tail length, and spicule length for males only. The Georgia nematodes were stouter, and the females possessed sc...