Background: Polycystic ovary syndrome (PCOS) is a common endocrine disorder in young women which has different clinical consequences. This study was conducted to evaluate the outcome of long or extended letrozole therapy for induction of ovulation in patients with polycystic ovary syndrome (PCOS). Materials and Methods: This prospective controlled study was conducted in a university hospital on...

Gemmell and Naor proposed a new protocol for unconditionally secure authentication of long messages. However Gehrmann showed that the proof of the security of the protocol was incorrect. Here we generalize the multiround protocol model. We prove the security of a 3-round protocol and give for this case a new easy implementable construction which has a key size close to the fundamental lower bou...

BACKGROUND Patients with polycystic ovary syndrome (PCOS) may need a longer period of pituitary downregulation to suppress the elevated serum LH and androgen levels effectively during IVF treatment using the GnRH agonist long protocol. We proposed a stimulation protocol incorporating Diane-35 and GnRH antagonist (Diane/cetrorelix protocol) and compared it with the GnRH agonist long protocol for...

Background & Aims: Daclizumab is a monoclonal antibody directed against CD25 subunit of interlukin 2 receptor. Several studies have shown the effectiveness of daclizumab on reduction of acute rejection in renal transplantation with regular or limited dose. The present study assessed the outcomes of 3 and 5 years follow-up of a prospective case-control trial comparing safety and efficacy of indu...

BACKGROUND Since increased LH in the early follicular phase in PCOS patients especially in GnRH antagonist protocol could be associated with reduced oocyte quality and pregnancy and impared implantation. The current study was conducted to determine ART outcomes in GnRH antagonist protocol (flexible) and long GnRH agonist protocol and compare them with adding GnRH antagonist in GnRH antagonist (...

OBJECTIVE To determine whether the short or long protocol for controlled ovarian hyperstimulation works better in older patients undergoing IVF. DESIGN Controlled, randomized study. SETTING A single private IVF center. PATIENT(S) Two hundred twenty infertile women aged > or = 40 years undergoing IVF. INTERVENTION(S) At their first IVF cycle, the women were randomized into two study grou...

objective: to compare the pregnancy outcomes achieved by in vitro fertilization (ivf) between minimal stimulation and conventional antagonist protocols in poor ovarian responders (pors). materials and methods: in this randomized controlled trial, 77 pors undergoing ivf were selected and divided into two groups. first group was the minimal stimulation group (n = 42) receiving 100 mg/day clomiphe...

today, optimal performance and cost advantages of using internet telephony are obvious. despite current standardized techniques, voice transferring through protocol (voip) has lower security than traditional telephony. one of the most important security issues which should be noticed in using voip is end -to-end user2 identity, i.e. when  there is a connection between user a and b, user a shoul...

quorum-based power saving (qps) protocols allow “asynchronous” wireless hosts, operating in a multi-hop ad-hoc network, to tune to the low power mode conceived in ieee 802.11 mac standard. qps schemes guarantee that the wake-up schedule for every two neighboring hosts would ultimately overlap within a bounded latency so as to be able to accomplish their reciprocal “unicast” communications. a ma...

Typically, secure channels are constructed from an authenticated key exchange (AKE) protocol,which authenticates the communicating parties based on long-term public keys and establishes secretsession keys. In this paper we address the partial leakage of long-term secret keys of key exchangeprotocol participants due to various side-channel attacks. Security models for two-party authe...