Ovulation News and Research

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Ovulation is the process in a female's menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum (also known as an oocyte, female gamete, or casually, an egg). Ovulation also occurs in the estrous cycle of other female mammals, which differs in many fundamental ways from the menstrual cycle. The time immediately surrounding ovulation is referred to as the ovulatory phase or the periovulatory period.

Misinformation clouds America’s most popular emergency contraception

A brand of specialty mozzarella cheeses. A collection of natural-gas storage terminals. And America’s top-selling emergency contraception.

7 Jun 2022

Women who have twins are not exceptionally fertile, study says

Are women who have twins more fertile? According to a detailed analysis of more than 100,000 births to women born between 1700 and 1899, published on 24 May 2022 in Nature Communications, involving a CNRS researcher, the answer is no.

27 May 2022

Common type 2 diabetes medication could be the key to improving fertility in women with obesity

Researchers may have found a solution to improving fertility in women with obesity, following a successful trial in mice using diabetes medication to reduce blood glucose levels.

26 May 2022

Lowering blood glucose levels could improve fertility in females with obesity

Reproductive hormone levels in females with obesity may be partially restored by lowering blood glucose levels, leading to improved fertility, according to a study published in the Journal of Endocrinology.

25 May 2022

Detailed analysis shows women who have twins are not more fertile

Are women who have twins more fertile? While previous studies concluded they are, a detailed analysis of more than 100,000 births from pre-industrial Europe by an international team of scientists shows they are not.

24 May 2022

Urgent action needed to address disparities in women’s heart health

Investing in and improving research, awareness and equity in women's heart health are critical for the health and well-being of women, according to a new Presidential Advisory from the American Heart Association, published today in the Association's flagship journal Circulation.

9 May 2022

New drug combo emerges as a potential candidate for oral pericoital contraception

A new combination of drugs has emerged as a "promising candidate" for an on-demand contraceptive pill, suggests preliminary research published online in the journal BMJ Sexual & Reproductive Health.

26 Apr 2022

Does COVID-19 vaccination affect IVF treatments?

A new study assesses the impact of COVID-19 vaccination in women undergoing assisted reproduction.

12 Apr 2022

Shift work linked to delayed onset of menopause

It's no secret that working nontraditional shifts can wreak havoc on lifestyle and sleep habits. Shift work has also been known to have a negative effect on workers' health.

22 Mar 2022

Anti-Müllerian hormone plays an active role in polycystic ovary syndrome

High levels of anti-Mullerian hormone (AMH) have traditionally been thought of as merely a passive byproduct of polycystic ovary syndrome (PCOS), but a new preclinical study by Weill Cornell Medicine researchers suggests that the hormone plays an active role in the disorder and may contribute to problems with ovulation and fertility.

10 Mar 2022

Common infertility treatment linked to increased risk for vascular and pregnancy-related complications

Women who conceive with assisted reproductive technology (infertility treatment) may be at increased risk for vascular and pregnancy-related complications, according to new research published today in a special Go Red for Women issue of the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

22 Feb 2022

Oral contraceptive use and tubal ligation linked with lower levels of biomarker for ovarian aging

The long-term use of oral contraceptives and certain methods of tubal ligation (TL) were associated with lower levels of a biomarker for ovarian aging, suggesting an increased risk for early menopause, according to preliminary research by University of Massachusetts Amherst epidemiologists.

2 Feb 2022

Preconception weight loss may not increase obese woman's chances of delivering a healthy baby

Health care professionals often encourage women with obesity to lose weight prior to trying to conceive or start infertility treatments.

18 Jan 2022

Scientists receive grants to advance research on imaging system to monitor uterine contractions

Researchers at Washington University School of Medicine in St. Louis have received three grants totaling more than $6.8 million to advance research on a novel imaging system to monitor uterine contractions.

10 Jan 2022

Study measures arterial stiffness in women from wide age range

A study conducted at the University of Jyväskylä in the Faculty of Sport and Health Sciences measured arterial stiffness in women from wide age range.

10 Dec 2021

Study finds no strong evidence that COVID-19 vaccination is linked to menstrual changes

A new study reports on the incidence of changes in menstruation in women who have received the COVID-19 vaccine.

18 Nov 2021

Research finds variability in PTSD symptoms over the course of menstrual cycle

In women who have experienced trauma, post-traumatic stress disorder symptoms may vary over the course of the menstrual cycle, with more symptoms during the first few days of the cycle when the hormone estradiol is low, and fewer symptoms close to ovulation, when estradiol is high, finds research published by the American Psychological Association.

28 Oct 2021

Hopkins Medicine selected to explore the impacts of COVID-19 vaccination on menstruation

Johns Hopkins Medicine's Department of Gynecology and Obstetrics is one of five institutions selected by the National Institutes of Health (NIH) to conduct research to explore the potential impacts of COVID-19 vaccination on menstruation.

24 Sep 2021

Increase in social stress may be connected to global population decline

A University of Massachusetts Amherst environmental health scientist has developed an "overlooked hypothesis" to help explain the projected global population decline beginning in 2064: social stress.

7 Sep 2021

Can molecular mimicry impact fertility in female COVID-19 patients?

There exists a possibility that COVID-19 can also affect the reproductive function in the body, which can lead to infertility in infected patients. A study published in the American Journal of Reproductive Immunology explored the impact of SARS-CoV-2 infection on reproductive functions and fertility.

30 Aug 2021