Christina A Porucznik

BACKGROUND: Fertility awareness-based methods (FABMs) educate about reproductive health and enable tracking and interpretation of physical signs, such as cervical fluid secretions and basal body temperature, which reflect the hormonal chang…

BACKGROUND: In vitro fertilization (IVF) births contribute to a considerable proportion of preterm birth (PTB) each year. However, there is no formal surveillance of adverse perinatal outcomes for less invasive fertility treatments. The stu…

BACKGROUND: Despite increasing regulation, exposure to persistent organic pollutants (POPs) remains a serious public health concern due to their accumulation in the environment and ability to biomagnify up the food chain. POPs are associate…

OBJECTIVE: While genitourinary complications during treatment for ovarian cancer are well-known, long-term adverse outcomes have not been well characterized. The number of ovarian cancer survivors has been increasing. The aim of this study …

BACKGROUND: Exposure to non-persistent chemicals in consumer products is ubiquitous and associated with endocrine-disrupting effects. These effects have been linked to infertility and adverse pregnancy outcomes in some studies and could aff…

OBJECTIVE: To evaluate the relationship between epigenetic patterns in sperm and fecundity. DESIGN: Prospective study. SETTING: Academic andrology and in vitro fertilization laboratory. PATIENT(S): Twenty-seven semen samples from couples…

BACKGROUND: To examine transient environmental exposures and their relationship with human fecundity, exposure assessment should occur optimally at the time of conception in both members of the couple. We performed an observational, prospec…

BACKGROUND: Many women throughout the world have history of subfertility (resolved or unresolved), but much remains unknown about services and treatments chosen. METHODS: We developed a mixed-mode fertility experiences questionnaire (FEQ) …

OBJECTIVE: To assess the effects of both male and female body mass index (BMI), individually and combined, on IVF outcomes. DESIGN: Prospective cohort study. SETTING: University fertility center. PATIENT(S): All couples undergoing first …

BACKGROUND: Caffeinated beverages are widely consumed among women of reproductive age, but their association with reproductive hormones, and whether race modifies any such associations, is not well understood. OBJECTIVE: We assessed the re…