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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 DevelopmentmedicineThe development of the obstetric ultrasound has allowed physicians and embryologists to obtain a clear picture of the developing human embryo and…
TechnologyUltrasonographyReproductionmedicineHuman Development