Results 51 to 60 of about 148,052 (210)

Perturbations in Lineage Specification of Granulosa and Theca Cells May Alter Corpus Luteum Formation and Function [PDF]

, 2019
Anovulation is a major cause of infertility, and it is the major leading reproductive disorder in mammalian females. Without ovulation, an oocyte is not released from the ovarian follicle to be fertilized and a corpus luteum is not formed.
Abedel-Majed, Mohamed A., Cupp, Andrea S., Davis, John S., Romereim, Sarah M.   +3 more
core   +1 more source

Optimizing timing for intrauterine insemination (IUI) in donor sperm cycles: pre- versus post-ovulation insemination in natural cycles

Gynecological Endocrinology
Purpose To investigate whether pregnancy outcomes of natural cycle intrauterine insemination (IUI) with donor sperm can be improved by performing insemination after confirmation of ovulation.Methods This retrospective cohort study evaluated 751 couples ...
Na Zhang, Hanying Zhou
doaj   +1 more source

Follicular Biochemical Characterization and Fatty Acid Metabolic Signatures of Follicles During Ovulation Process Reveal the Potential Mechanism for Ovarian Cyst Formation in Sows

Metabolites
Background/Objectives: As a well-known source of energy from feed, the significance of fatty acids in regulating the reproductive potential of livestock has received attention in recent years, especially follicular development.
Jingyuan Liang, Yanfei Deng, Song Fu, Juanru Cheng, Ruimen Zhang, Deshun Shi, Yu Pan, Sufang Yang   +7 more
doaj   +1 more source

Basal Body Temperature Assessment: Is It Useful to Couples Seeking Pregnancy? [PDF]

, 2005
Advanced practice nurses in primary care settings are often asked to give appropriate advice to couples seeking pregnancy. This article examines the issue of basal body temperature (BBT), a time-honored way to establish the presence of ovulatory cycles ...
Barron, Mary Lee, Fehring, Richard
core   +1 more source

Improved clinical pregnancy rates in natural frozen-thawed embryo transfer cycles with machine learning ovulation prediction: insights from a retrospective cohort study

Scientific Reports
This study aims to develop physician support software for determining ovulation time and assess its impact on pregnancy outcomes in natural cycle frozen embryo transfers (NC-FET).
Almog Luz, Ariel Hourvitz, Eden Moran, Nevo Itzhak, Shachar Reuvenny, Rohi Hourvitz, Michal Youngster, Micha Baum, Ettie Maman   +8 more
doaj   +1 more source

Expression of Relaxin Family Peptide Receptors 1 and 3 in the Ovarian Follicle of Japanese Quail

The Journal of Poultry Science
In our previous studies, we demonstrated that the primary source of relaxin 3 (RLN3) in Japanese quail is ovarian granulosa cells. Although several relaxin family peptide (RXFP) receptors have been sequenced, the intricacies of these receptors in avian ...
Khoi X. Hoang, Mei Matsuzaki, Tetsuya Kohsaka, Tomohiro Sasanami   +3 more
doaj   +1 more source

Current Medical Research: Summer–Fall 2009 [PDF]

, 2010
Note that the “Current Medical Research” feature focuses on issues relevant to natural family planning and the beginning of life. This piece is complemented by medical reviews published in The National Catholic Bioethics Quarterly, which focus more on ...
Fehring, Richard
core   +2 more sources

Rodent Models of Non-classical Progesterone Action Regulating Ovulation

Frontiers in Endocrinology, 2017
It is becoming clear that steroid hormones act not only by binding to nuclear receptors that associate with specific response elements in the nucleus but also by binding to receptors on the cell membrane. In this newly discovered manner, steroid hormones
Melinda A. Mittelman-Smith, Lauren M. Rudolph, Margaret A. Mohr, Paul E. Micevych   +3 more
doaj   +1 more source

Efficacy of a New Postpartum Transition Protocol for Avoiding Pregnancy [PDF]

, 2013
Introduction: The postpartum period is a challenging time for family planning, especially for women who breastfeed. Breastfeeding delays the return of menses (lactational amenorrhea), but ovulation often occurs before first menses.
Bouchard, Thomas, Fehring, Richard, Schneider, Mary   +2 more
core   +1 more source

Environmental effects on progesterone profile measures of dairy cow fertility [PDF]

, 2006
Environmental effects on fertility measures early in lactation, such as the interval from calving to first luteal activity (CLA), proportion of samples with luteal activity during the first 60 days after calving (PLA) and interval to first ovulatory ...
B. Berglund, Berglund, Bulman, Bulman, Claus, Darwash, Darwash, E. Strandberg, Fonseca, Fourichon, H. Gustafsson, Hansen, Harrison, Janson, Janson, Janson, K.-J. Petersson, Larsson, Loeffler, Lucy, Lucy, Melendez, Opsomer, Opsomer, Philipsson, Ratnayake, Rehn, Roxström, Royal, Royal, Veerkamp, Washburn, Wolfinger   +32 more
core   +1 more source