Pregnancy at advanced maternal age (age> 35 years old) is considered a risk factor for
adverse maternal and perinatal outcomes. Yet, pregnancies of advanced maternal age have …

Follicular microenvironment is paramount in the acquisition of oocyte competence, which is
dependent on two interconnected and interdependent processes: nuclear and cytoplasmic …

Cadmium and lead are known to interfere with the endocrine function. Thus, hormonally
regulated processes such as menarche, menopause and pregnancy are likely influenced by …

Background The effects of ambient air pollutants on adverse pregnancy outcomes have
been reported. However, studies about air pollutants exposure and pregnancy outcomes in …

Objective To explore the effect of the 2016 Chinese second child policy and different
maternal ages on adverse perinatal outcomes. Methods Clinical data were collected from 22 …

Background Cesarean section rates are rising in the world. Women with a history of
cesarean section will select a cesarean section at the next pregnancy. An objective and …

Donor sperm is widely used in infertility treatments. The purpose of the study was to
investigate, whether use of donor sperm in intrauterine insemination (IUI) or in vitro …

The human gut microbiome harbors a diverse range of microbes that play a fundamental
role in the health and well-being of their host. The early-life microbiome has a major …

Objective Characterize the risk for adverse pregnancy, delivery and neonatal outcomes
among different advanced maternal ages (AMA). Study design We conducted a population …

Female fertility is negatively correlated with age, with noticeable declines in oocyte quantity
and quality until menopause. To understand this physiological process and evaluate human …