Results 81 to 90 of about 991,012 (171)

Decreased Toll-like Receptor (TLR) 2 and 4 Expression in Spermatozoa in Couples with Unexplained Recurrent Spontaneous Abortion (URSA)

Iranian Journal of Allergy, Asthma and Immunology, 2019
Studies have shown that toll-like receptors (TLRs) play some important roles in reproductive processes such as ovulation, spermatogenesis, sperm capacitation, fertilization, and pregnancy to the best of our knowledge, no study has evaluated the ...
Nasrin Sereshki, Alireza Andalib, Ataollah Ghahiri, Ferdos Mehrabian, Roya Sherkat, Abbas Rezaei   +5 more
doaj   +1 more source

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

Experimental Physiology, Volume 111, Issue 9, Page 4015-4040, 1 September 2026.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

A Case of a Chronic Ectopic Pregnancy in a Patient With Negative Serum β‐HCG

Clinical Case Reports, Volume 14, Issue 7, July 2026.
ABSTRACT Chronic ectopic pregnancy should be considered in women with adnexal masses and persistent abdominal pain, even when serum β‐hCG is negative, to prevent delayed diagnosis. This article reports a case of ectopic pregnancy with negative serum β‐hCG levels nearly 3 months after curettage.
Shushu Yu, Xiaohan Su, Lanxin Liu, Xianjing Wang, Xinliang Chen   +4 more
wiley   +1 more source

Correlation Between Subclinical Hypothyroidism and Repeated Miscarriage in Pregnant Women [PDF]

Al-Azhar International Medical Journal
Background: Abortion is a minor complication of pregnancy, defined as the spontaneous loss of the fetus, which occurs in 15e20% of pregnant women. Recurrent miscarriages, which occur in ⁓1% of women of childbearing age are defined as miscarriages of ...
Haitham A. Azeem, Ali A. Madian, Mohamed R. Izzaldin, Mona R. Mohamed   +3 more
doaj   +1 more source

Progestogen supplementation to prevent miscarriage: Evidence and controversies

International Journal of Gynecology &Obstetrics, Volume 174, Issue 1, Page 44-49, July 2026.
Abstract Progesterone plays a key role in the establishment and maintenance of pregnancy and its deficiency has been associated with early pregnancy loss. Progestogen supplementation has therefore been widely investigated as a preventive strategy against miscarriage, particularly in women with recurrent pregnancy loss or threatened miscarriage or after
Gabriele Saccone, Vincenzo Berghella, Moti Gulersen, Attilio Di Spiezio Sardo   +3 more
wiley   +1 more source

MLR Reactivity against Spouse's Lymphocytes : Successful Cases with Unexplained Recurrent Abortion Treated by Immunotherapy with Spouse's Cells [PDF]

Problem: What are the possible underlying mechanisms of immunotherapy for unexplained recurrent abortion using spouse's cells? Methods: The reactivity of lymphocytes against spouse's lymphocytes in a mixed lymphocyte culture reaction (MLR) was serially ...
Tanaka, Kenichi, 53026, 53027, 53028, Takakuwa, Koichi, Kazama, Yoshiki   +5 more
core   +1 more source

Apoptosis and p53 expression in the placental villi of females with unexplained recurrent spontaneous abortion

Experimental and Therapeutic Medicine, 2013
The aim of this study was to explore the level of apoptosis and p53 expression in the placental villi of patients with unexplained recurrent spontaneous abortion (URSA). Fifty-three pregnant females with URSA and 32 pregnant females who required an induced abortion were selected as the subjects of this study.
WEI, DEHUA, WU, QINGHUA, SHI, HUIRONG
openaire   +3 more sources

The paradox of pregnancy : an update on the immunology of early pregnancy [PDF]

, 2008
Pregnancy is an altered physiological state where an organism essentially foreign to the individual carrying it, grows, develops and at an appropriate time probably initiates a series of signals which lead to its safe expulsion from the woman's body. The
Formosa, Mark
core  

Trophoblast-Expression of Interleukin-6 (IL-6) and Human Chorionic Gonadotropin (hCG) inWomen with Recurrent Abortion ComparedWith Normal Pregnancy

Al-Mustansiriyah Journal of Pharmaceutical Sciences, 2008
Objective: We studied the estimation of IL-6 and hCG expression in immunohistochemistry in women with unexplained Recurrent Spontaneous Abortion (RSA) and find out whether or not IL-6 regulates human Chorionic Gonadotropin release (hCG).
Salman H. Amal, Al-Zubaidy A. Ghaith, Hussain A. Sulaf   +2 more
doaj   +1 more source

Thrombophilia in pregnancy: a systematic review [PDF]

, 2006
Growing evidence suggests that thrombophilia is associated with venous thromboembolism (VTE) and adverse pregnancy outcomes. However, methodological limitations have made it difficult to obtain a clear overview of the overall risks.
Lowe, G.D.O., Langhorne, P., Brenkel, I., Greer, I.A., Twaddle, S., Clark, P., Greaves, M., Robertson, L., Wu, O., Regan, L., Clarke, P., Walker, I.D.   +11 more
core   +1 more source