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.

Population peak could contribute to less meaningful social interactions and reproduction suppression

A predicted population drop at the end of the century could be explained by stress from meaningless social interactions, according to a review article published in the Endocrine Society's journal, Endocrinology.

24 Aug 2021

Computer simulation model identifies key factors for successful transit of sperm in the genital tract

A research team at the Humboldt University Berlin and the Leibniz Institute for Zoo and Wildlife Research developed an agent-based computer model to simulate the journey of sperm cells through the female genital tract.

16 Jul 2021

World-first study uses artificial intelligence to map the risks of ovarian cancer in women

The University of South Australia will lead a world-first study, using artificial intelligence, to map the risks of the most fatal reproductive cancer in women worldwide so it can be detected and treated earlier.

2 Jul 2021

ERS Genomics and Nippon Gene sign CRISPR/Cas9 license agreement

ERS Genomics Limited, which was formed to provide broad access to the foundational CRISPR/Cas9 intellectual property co-owned by Dr. Emmanuelle Charpentier, and Nippon Gene Co., Ltd (Nippon Gene), a manufacturer of genetic engineering research reagents and diagnostic reagents for humans, animals, and plants, today announced a non-exclusive license agreement granting Nippon Gene access to ERS Genomics’ CRISPR/Cas9 patent portfolio.

1 Jul 2021

Study finds higher risk of pre-eclampsia, hypertension in pregnancies derived from frozen embryos

A large cohort study drawn from the national IVF registry of France, which included almost 70,000 pregnancies delivered after 22 weeks gestation between 2013 and 2018, has found a higher risk of pre-eclampsia and hypertension in pregnancies derived from frozen-thawed embryos.

30 Jun 2021

Higher risk of preeclampsia and pregnancy-induced hypertension as a result of embryo freezing for IVF

Researchers have established a strong association between the risk of developing hypertension and the artificial cycle for frozen-thawed embryo transfer.

30 Jun 2021

Protein blueprint may aid in treatments for infertility and help protect future fertility

Researchers at the University of Cincinnati College of Medicine have developed a blueprint for a protein that plays an important role in the development and regulation of reproductive organs.

22 Jun 2021

Study shows that breast cancer can be prevented with better contraception choices

Hormonal contraceptives, e.g. the pill, the patch, and the vaginal ring, contain synthetic hormones that prevent pregnancy by either stopping ovulation, changing the cervical mucus to stop sperm from passing through the cervix and finding an egg, or changing the womb's lining to prevent a fertilized egg from being implanted in it.

29 May 2021

Previously overlooked hormone plays critical role in the development of endometriosis

Endometriosis, a disease found in up to 10 per cent of women, has been enigmatic since it was first described. A new theory developed by researchers at Simon Fraser University suggests a previously overlooked hormone -- testosterone -- has a critical role in its development.

10 May 2021

Ovarian follicular function unaffected by SARS-CoV-2 infection or Pfizer vaccine, study finds

A new study by researchers in Jerusalem indicates that while specific antibodies to the virus are present in both serum and ovarian follicles following infection or vaccination, there is no apparent adverse effect on follicular function as a result.

15 Apr 2021

Male fertility and androgen production may be impacted by COVID-19

An interesting new study has appeared online in the journal Hormones that discusses the effects of COVID-19 on the male and female gonads.

22 Mar 2021

High levels of progesterone can reduce stress after concussion, speed recovery in females

Could birth control pills help young female athletes recover faster from concussions and reduce their symptoms?

16 Mar 2021

Study: Nausea and vomiting symptoms during pregnancy start within a three day timeframe

Researchers from the University of Warwick have narrowed the time frame that nausea and vomiting during pregnancy will potentially start to just three days for most women, opening up the possibility for scientists to identify a biological cause for the condition.

12 Jan 2021

Oral contraceptives offer a protective effect against common gynecological cancers

A comprehensive study from Uppsala University, involving more than 250,000 women, shows that oral contraceptive use protects against ovarian and endometrial cancer. The protective effect remains for several decades after discontinuing the use. The study is published in the journal Cancer Research.

17 Dec 2020

Study: Novel drug may treat reproductive health problems in women

A drug that acts via the natural 'kisspeptin' hormone system in the body has the potential to treat reproductive health problems in women, according to a new study.

17 Nov 2020

Coming abortion fight could threaten birth control, too

Abortion opponents were among those most excited by the addition of Justice Amy Coney Barrett to the Supreme Court. And they had good reason to be.

5 Nov 2020

Diet may help restore ovulation in women with polycystic ovary syndrome

The Mediterranean diet may be investigated as a possible treatment for polycystic ovary syndrome after mice with PCOS-like features of the condition were found to benefit from a similar diet.

21 Oct 2020

Study reveals how ovaries maintain a female's fertility

Recently published work from Carnegie's Allan Spradling and Wanbao Niu revealed in unprecedented detail the genetic instructions immature egg cells go through step by step as they mature into functionality.

9 Oct 2020

Women with unexplained miscarriages have altered perceptions to male body odors

Women who have suffered unexplained repeated pregnancy loss (uRPL) have altered perceptions and brain responses to male body odors, in comparison to those with no history of uRPL, suggests a new study published today in eLife.

30 Sep 2020

Remnants of bird ovaries can be preserved in the fossil record, confirms study

A research team led by Dr. Alida Bailleul from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences has put one controversy to rest: whether or not remnants of bird ovaries can be preserved in the fossil record.

29 Jul 2020