| Dilation and Curettage Versus Operative Hysteroscopy for Missed Abortion (NCT04705324) | Tel-Aviv Sourasky Medical Center | 2022-01-21 |
| Composition of the Intestinal Microbiome in Patients With Recurrent Spontaneous Abortions. (NCT07246486) | Dr. Natascha Köstlin-Gille | 2020-11-01 |
| Comprehensive Assessment of Risks for Miscarriage. (NCT04456660) | Orthogyn Medical Center, Bulgaria | 2020-06-20 |
| The Heartland Study (NCT05492708) | Heartland Health Research Alliance | 2020-01-11 |
| Measuring Immune Tolerance to Predict Miscarriage or Failed Embryo Transfer (NCT04156126) | Mayo Clinic | 2019-08-23 |
| Environmental Factors and Embryonic Development Project (NCT04182503) | Jinling Hospital, China | 2019-08-12 |
| Heavy Metals' Influence on Early Pregnancy Through Oxidative Stress (NCT04003064) | Peking Union Medical College Hospital | 2019-05-20 |
| the Association Between Blood's and Urinary Heavy Metal Level in Pregnant Women and the Spontaneous Abortion (NCT03332706) | Peking Union Medical College Hospital | 2017-10-10 |
| Gabapentin as an Adjunct to Perioperative Pain Management Regimens for Uterine Aspiration (NCT02725710) | Duke University | 2016-08-01 |
| Knowledge, Attitude and Practices of Flemish Midwifes Regarding Spontaneous Abortion (NCT02657200) | VakgroepVolksgezondheidEnEerstelijnszorg | 2015-09-01 |
| Comparative Effectiveness of Pregnancy Failure Management Regimens (NCT02012491) | University of Pennsylvania | 2014-01-01 |
| Folic Acid and Zinc Supplementation Trial (FAZST) (NCT01857310) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2013-06-01 |
| Study of DDT and Loss of Clinically-Recognized Pregnancies in South Africa (NCT00878098) | National Institute of Environmental Health Sciences (NIEHS) | 2009-06-01 |
| The Effects of Aspirin in Gestation and Reproduction (NCT00467363) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2007-06-01 |