failure of development of the primitive lung bud leads to an extremely rare congenital anomaly with a prevalence of 34 per 10 lac live births termed pulmonary aplasia. in half of such cases, associated congenital malformations of the cardiovascular, skeletal, gastrointestinal, or genitourinary systems are present. the mayer-rokitansky-küster-hauser (mrkh) syndrome is defined as the congenital a...

The traits involved in sexual selection, such as male secondary sexual characteristics and female mate choice, often co-evolve which can promote population differentiation. However, the genetic architecture of these phenotypes can influence their evolvability and thereby affect the divergence of species. The extraordinary diversity of East African cichlid fishes is often attributed to strong se...

Although various contraceptive methods and medications have been devised so far,there is no ideal male contraceptive agent,free from side effects and without adverse effects on secondary sexual  characterestics and sexual behaviour.in this study the antifertility effects of furazolidone on the process of spermatogenesis in adelt male rats have been evaluated.the results indicate that this drug ...

BACKGROUND Comprehensive sex education, including the promotion of consistent condom use, is still an important intervention strategy in tackling unplanned pregnancies, HIV/AIDS and sexually transmitted infections (STIs) among Ugandan adolescents. This study examines predictors of the intention to use a condom and the intention to delay sexual intercourse among secondary school students (aged 1...