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.

High-Resolution Map Exposes Cellular Pathways to Fertility

An interdisciplinary team mapped the gene expression that takes place in mice during follicle maturation and ovulation using a state-of-the-art method of RNA tagging.

24 Jan 2024

Researchers Use the Bionanoprobe to Explore Role of Zinc in Follicle Development

The discovery that zinc is involved in the fertilization process earlier than initially thought was made with the help of the Bionanoprobe, a cutting-edge instrument at Argonne.

18 May 2023

Study sheds light on unique processes that bestow naked mole-rats’ with eternal fertility

Unlike humans and other mammals, which become less fertile with age, naked mole-rats can reproduce throughout their remarkably long lifespans.

22 Feb 2023

Novel model system helps studying human ovarian biology

Despite the fact that we all start out as an egg cell in one of our mother's ovaries, these human reproductive organs are surprisingly under-studied. Scientists have been working on creating in vitro models of human ovaries so that we can learn more about them and develop treatments for ovarian conditions, but most existing models use a combination of human and mouse cells, which do not faithfully replicate human ovary functions and take a long time to grow in the lab.

22 Feb 2023

Rumen-protected lysine improves uterine health

Boosting milk yield when included in the diet at sufficient levels, lysine is an important amino acid for dairy cows. But how could lysine be advantageous for cows in other means? A new study by the University of Illinois reveals that rumen-protected lysine can enhance uterine health if given in the transition period.

20 Sep 2022

More informed choices of contraceptives can prevent breast cancer

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.

31 May 2021

Genes May Play A Role In Weight Gain From Birth Control

A woman's genetic make-up may cause her to gain weight when using a popular form of birth control, according to a study from researchers.

18 May 2020

Geneticists Revealed New Potential Causes Of Female Infertility

Over the last six years, a group of geneticists has studied genes associated primarily with female hormone synthesis and ovarian follicle development.

7 May 2020