Showing 2251–2300 of 4,168
Background: Limited information exists regarding the natural progression of health-related quality of life (HRQOL) in the general population, as most research has been cross-sectional or has followed ...
Introduction: Prior studies have suggested that oral contraceptives (OCs) may be associated with an increased fracture risk. However, the previous studies have only performed a limited adjustment for ...
Lepidium meyenii (Brassicaceae), known as Maca, is a Peruvian hypocotyl that grows exclusively between 4000 and 4500 m above sea level in the central Andes. Maca is traditionally employed in the Andea...
Questions have been raised about the effects of progestogen-only contraceptive use on bone health, particularly among young women who have not yet reached peak bone mass and perimenopausal women who m...
Background: Increased menstrual bleeding and pain are the primary side effects that lead to early removal of the copper intrauterine device (IUD). Ibuprofen and other non-steroidal anti-inflammatory d...
This systematic review examines evidence evaluating whether women with headaches who use combined oral contraceptives (COCs) have a greater risk of stroke than women with headaches who do not use COCs...
Estrogen exposure is a major determinant of the risk of breast cancer. This article reviews how genotoxic, mutagenic metabolites of estrogen and stimulation of tissue growth by the hormone participate...
Annual report (Jahrbuch) of the Deutsches IVF-Register (DIR) for treatment year 2005. DIR is the German national IVF/ICSI registry, founded 1982 — the oldest continuously operating ART registry. Volun...
Background: Assessing the psychological acceptability of technologies designed to assist couples in achieving pregnancy is complex. Objective: The current study developed measures relating to the imp...
Background: Urgent measures are required to stop the increase in the frequency of pregnancies and sexually transmitted diseases among teenagers. A means of facing this problem is promoting sexual abst...
The aim of this work was to study, in the Cebus apella monkey, the developmental changes in the microanatomy of the utero-ovarian ligament (UOL) and whether their vascular and neural elements might be...
Although there have been numerous studies investigating the relationship between the use of oral contraceptives and depressive symptoms, they have differed widely in both their methods and findings. A...
OBJECTIVE: To investigate the molecular mechanism for declining sperm motility in older men. DESIGN: Retrospective and prospective study. SETTING: University-based andrology unit. PATIENT(S): Semen...
A meta-analysis was performed on 11 cohort studies of Assisted Reproductive Technologies (ART) and subsequent childhood cancer, published up to February 2005, which reported comparable, nonoverlapping...
Estrogen and progestin combination in hormone replacement therapy (HRT) increases the incidence of breast cancer, but decreases the endometrial cancer risk of unopposed estrogen. Therefore, a SERM suc...
Cervical cancer is a complex and multifactorial disease. Although there are substantial data supporting the causative role of persistent human papillomavirus (HPV) infection in the development of cerv...
Family history of breast cancer is an established risk factor for breast cancer. In addition, there is evidence that oral contraceptive use may be associated with a moderate increase in breast cancer ...
A protocol was developed and evaluated for nonovulating breastfeeding women to determine potential fertility with an electronic hormonal fertility monitor. The amount of required abstinence (i.e., day...
Background: Exogenous estrogens affect the onset and clinical course of experimental allergic encephalomyelitis. Oral contraceptives, a frequent source of exogenous estrogens in humans, could have a r...
Advanced practice nurses in primary care settings are often asked to give appropriate advice to couples seeking pregnancy. This article examines the issue of basal body temperature (BBT), a time-honor...
Oral contraceptive (OC) use in young women has been associated with an increased risk of breast cancer. This matched case-control study aims to elucidate the combined effects of OC use and genetic fac...
The objective of this research was to determine the relative decrement in health-related quality of life, as measured by the health utilities index mark 3 (HUI3), in osteoporosis compared to other chr...
Background: The aetiology of inflammatory bowel disease remains largely unknown. Aim: We performed a comprehensive assessment of potential risk factors associated with the occurrence of inflammatory ...
Objective: To test for the possible association of past oral contraceptive (OC) use and incident fracture after menopause. Design: A prospective cohort of 93,725 postmenopausal women. Setting: Forty W...
The purpose of this review is to put into a useful clinical context the changing over time of basic ovarian-pituitary-hypothalamic relationships during perimenopause. "Perimenopause" means changes in ...
Objectives: The objective of the present paper is to review the main results of recent European cycle databases on ovulation detection and determination of the fertile window performed by the women th...
Two main types of cervical mucus have been described during the menstrual cycle: oestrogenic and progestative. Each category shows diverse morphological and functional features from the reproductive p...
This review summarizes the numerous observations published in recent years which have shown that one of the most significant of melatonin's pleiotropic effects is the regulation of the immune system. ...
OBJECTIVE: To determine whether or not hysterectomy leads to an earlier onset of the menopause. DESIGN: A prospective cohort study. SETTING: Gynaecology service of large urban hospital. POPULATION:...
PURPOSE OF Review: Women with polycystic ovarian syndrome are typically anovulatory and require ovulation induction. Ovarian wedge resection was the first treatment for anovulation but was eventually ...
OBJECTIVE: To develop a new method for estimating the effectiveness of emergency contraception (EC) by using information about previous menstrual cycle length, accounting for the variation in the day ...
Progesterone products are available in prescription form as well as over-the-counter (OTC) topical preparations sold for "cosmetic" uses. In a randomized study design, the authors compared the drug ex...
BACKGROUND: Lepidium meyenii, known as Maca, grows exclusively in the Peruvian Andes over 4000 m altitude. It has been used traditionally to increase fertility. Previous scientific studies have demons...
To determine whether lung transfer factor for carbon monoxide (T(L(CO))) alters during menstrual phase and if steroid hormone levels relate to these changes, T(L(CO)) and T(L(CO)) adjusted for both al...
Our recent study showed a dose-response relationship between environmental tobacco smoke (ETS) and the risk of early pregnancy loss. Smoking is known to affect female reproductive hormones. We explore...
BACKGROUND: The aim of our study was to assess whether there is a relationship between reproductive cycle events and the initiation or changes in symptoms of obsessive-compulsive disorder (OCD). METH...
Background: Recent oral contraceptive use has been associated with a small increase in breast cancer risk and a substantial decrease in ovarian cancer risk. The effects on risks for women with germ li...
Purpose: To evaluate the efficacy of an abstinence-centered sex education program in adolescent pregnancy prevention, the TeenSTAR Program was applied in a high school in Santiago, Chile. Methods: A ...
Objective: To analyze IVF outcomes in patients with a history of one or more elevations in basal FSH who have a normal basal FSH at the start of their IVF cycle, compared with the general IVF populati...
Calendar-based methods are not usually considered effective or useful methods of family planning among health professionals. However, new "high-" and "low"-tech calendar methods have been developed, w...
Objective: This report presents national estimates of contraceptive use and method choice based on the 1982, 1995, and 2002 National Surveys of Family Growth (NSFG). It also presents data on where wom...
Annual report (Jahrbuch) of the Deutsches IVF-Register (DIR) for treatment year 2004. DIR is the German national IVF/ICSI registry, founded 1982 — the oldest continuously operating ART registry. Volun...
Large retrospective cohort study investigating whether different causes of infertility (endometriosis, anovulation, tubal disease, male factor, cervical/uterine disorders) predict future cancer risk a...
Introduction: For many years, individual women and doctors have experimented with extending the duration of active oral contraceptive (OC) pills between pill-free intervals (long OC) to control menstr...
Natural selection has linked the physiological controls of energy balance and fertility such that reproduction is deferred during lean times, particularly in female mammals. In this way, an energetica...
Endometriosis is an oestrogen-dependent disorder that can result in substantial morbidity, including pelvic pain, multiple operations, and infertility. New findings on the genetics, the possible roles...
The aims of the present study were to determine whether a parental history of any fracture or hip fracture specifically are significant risk factors for future fracture in an international setting, an...
Vitamins D(2) and D(3) are generally considered to be equivalent in humans. Nevertheless, physicians commonly report equivocal responses to seemingly large doses of the only high-dose calciferol (vita...