Abstract The endogenous level of cytokinins (CKs) and auxins (Auxs) was analyzed in isolated microspores ovaries two doubled haploid (DH) lines triticale (× Triticosecale Wittm.) to better understand the mechanism microspore embryogenesis (ME)—the most efficient widely applied method producing DHs. responsiveness studied ME significantly varied. induced by pre-treating tillers with low temperat...

OBJECTIVE This study was conducted to determine whether early initiation of combined hormonal contraception under direct clinical observation following successful medical abortion increases continuation rates with the method compared to traditional "Sunday start." STUDY DESIGN Women enrolled in a multicenter medical abortion trial with mifepristone and misoprostol who requested combined hormo...

The development of male hormonal contraception has progressed significantly during the last three decades. The ultimate goal is to produce an effective, safe and reversible male method of contraception that are within reach of and can be used by all men globally. This review aims to outline the recent developments in male hormonal contraception with special emphasis on how ethnicity influences ...

Evidence-Based Answer Use of hormonal contraception does not appear to shorten breastfeeding duration or negatively impact infant growth, based on inconsistent evidence of moderate quality. It is unclear if hormonal contraception negatively impacts breast milk volume or composition. Overall, there was limited evidence regarding any particular hormonal contraceptive method. (Strength of Recommen...

Background Contraceptive discontinuation is a major barrier to reducing global unmet needs for family planning, but the reasons why women discontinue contraception are poorly understood. Here we use data from Ethiopia to investigate (i) the magnitude of contraceptive discontinuation in 2005-2011, (ii) how the risk of discontinuation varies with method type and education level and (iii) the barr...

Historically the treatment armamentarium for secretory pituitary adenomas included neurosurgery, medical management, fractionated radiotherapy and recently gamma knife surgery (GKS), the goal of this study is to evaluate the efficacy, safety and role of gamma knife surgery for treatment of secretory pituitary adenomas regarding hormonal and adenoma size control, between mid of 2005 and 2012 a r...

An estimated 80% of sexually active young women in the United States use hormonal contraceptives during their reproductive years. Associations between hormonal contraceptive use and mood disturbances remain understudied, despite the hypothesis that estrogen and progesterone play a role in mood problems. In this study, we used data from 6,654 sexually active nonpregnant women across 4 waves of t...

Hormonal male contraception clinical trials began in the 1970s. The method is based on the use of exogenous testosterone alone or in combination with a progestin to suppress the endogenous production of testosterone and spermatogenesis. Studies using testosterone alone showed that the method was very effective with few adverse effects. Addition of a progestin increases the rate and extent of su...

BACKGROUND More women are requesting Emergency Hormonal Contraception (EHC) at pharmacies where screening for Chlamydia trachomatis is not routinely offered. The objective of this study was to assess the uptake of free postal chlamydia screening by women under 25 years who requested EHC at pharmacies in Manchester, UK. METHODS Six Primary Care Trusts (PCTs) that had contracted with pharmacies...