Active clinical trials for "Abortion, Habitual"

To assess natural killer cells frequency and activation in cases of unexplained recurrent abortion in comparison to fertile cases 2. . To study the expression of stimulatory receptors of natural killer cell. 3-To study the expression of inhibitory receptors of natural killer cell.

The purpose of this study is to determine whether ovarian reserve is related to recurrent pregnancy loss

The study plans to recruit patients with recurrent miscarriage and detect their niacin, thiamine, vitamin A, vitamin B6, vitamin B12, vitamin D levels in plasma, evaluating if some lack exists.

It is a case-control study composed of 3 groups : 2 cases groups (RIF and IRPL) already composed as part of a pre-existing research project and 1 control group including patients undergoing ART for male factor infertility. The purpose of this study is to compare the 2 case group with the control group to identify metabolomics signatures.

The purpose of this study is to measure serum CXCL9 and CXCL11 levels in patients with autoimmune thyroiditis and habitual abortions

Oral infections can trigger the production of pro-inflammatory mediators that may be risk factors for miscarriage. The investigators investigated whether oral health care patterns that may promote or alleviate oral inflammation were associated with the history of miscarriage in Turkish women.

THE INSULIN RESISTANCE IN RECURRENT ABORTION

A single center，observational cohort study to explore the relationship between reproductive tract microbiota and pregnancy outcome in the patients accepted IVF/ICSI. To investigate whether there is a correlation between reproductive tract microbiota and IVF/ICSI outcomes. Whether there are differences in reproductive tract microbiota (such as vagina, follicular fluid, uterine cavity, etc.) in patients with different pregnancy outcomes.

The present study will be undertaken to establish whether genetic variations of PAR1 could be involved in the occurrence of any of the "placental syndromes" of preterm delivery, preeclampsia, and/or small for gestational age babies and recurrent pregnancy loss.

Preconceptional use of low molecular weight heparin (enoxaparin) and aspirin in patient with recurrent miscarriages with positive anti phospholipid antibodies increase the implantation rate and the duration of pregnancy with low complications to the mother and the baby.