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Ectopic Pregnancy
By: Tian Zhu
| Published: May 06, 2010
Many difficulties can arise with a pregnancy even after the sperm successfully fertilizes the oocyte. A major problem occurs if the fertilized egg…
Ectopic PregnancyPregnancy, EctopicReproductionHuman Developmentmedicine
“The Risk of Ectopic Pregnancy after Tubal Sterilization” (1997), by Herbert B. Peterson, Zhisen Xia, Joyce M. Hughes, Lynne S. Wilcox, Lisa Ratliff Tylor, and James Trussell
By: Cole Nichols
| Published: Jun 05, 2025
In 1997, Herbert B. Peterson and colleagues published “The Risk of Ectopic Pregnancy after Tubal Sterilization,” hereafter “The Risk of Ectopic…
Female SterilizationMale SterilizationTubal sterilizationEctopic PregnancyObservational Study
Pregnancy Tests
By: Kristin Kelley
| Published: Sep 02, 2010
Throughout history methods involving urine have been a popular way to test for pregnancy. Early ideas ranged from simply observing the color of a…
TechnologyPregnancy TestsReproductionFertility
Multi-Fetal Pregnancy
By: Corinne DeRuiter
| Published: Jan 01, 2012
In humans, multi-fetal pregnancy occurs when a mother carries more than one fetus during the pregnancy. The most common multi-fetal pregnancy is…
ReproductionFetusHuman Development
Rh Incompatibility in Pregnancy
By: Nathalie Antonios
| Published: Apr 08, 2011
Rh incompatibility occurs when a pregnant woman whose blood type is Rh-negative is exposed to Rh-positive blood from her fetus, leading to the mother…
ReproductionFetusHuman Development
The Aschheim-Zondek Test for Pregnancy
By: Kristin Kelley
| Published: Sep 12, 2010
Throughout history many different methods have been devised for the early detection of pregnancy. From the time of the Ancient Egyptians, inspection…
Pregnancy TestsReproductionFertility
Rh Incompatibility in Pregnancy - Image
By: Sarah Walls
| Published: Aug 15, 2021
Rh factor is a protein found on the outside of Rh-positive red blood cells.
PregnancyRh-Hr Blood-Group SystemBlood Group IncompatibilityFetal Blood
“Of Pregnancy and Progeny” (1980), by Norbert Freinkel
By: Blaise Castagnetti
| Published: Jan 03, 2018
Norbert Freinkel’s lecture Of Pregnancy and Progeny was published by the American Diabetes Association’s journal Diabetes in December of 1980. In the…
LiteraturePeters, Rudolph Albert, SirIngbar, Sidney H.American Diabetes AssociationDiabetes Mellitus
Hypertensive Disorders in Pregnancy (1978), by Leon Chesley
By: Sarah Patel
| Published: Apr 27, 2017
Leon Chesley published Hypertensive Disorders in Pregnancy in 1978 to outline major and common complications that occur during pregnancy and manifest…
LiteratureChesley, Leon C., 1908-2000HypertensionPreeclampsiaDownstate Medical Center (N.Y.)
"Pregnancy Complicating Diabetes" (1949), by Priscilla White
By: Blaise Castagnetti
| Published: Oct 24, 2017
In 1949, Priscilla White published Pregnancy Complicating Diabetes, which described the results and implications of a fifteen-year study about…
LiteratureFetal MortalityMaternal Deathpregnancy complicationsVascular Diseases