PubMed · 1973 · 12 citations · 0 references
MedicineAnimal SciencesEndocrinologyEquine ScienceReproductive EndocrinologyReproductive PhysiologyMenstrual CycleOvarian FunctionOvarian PhysiologyPlacental PhysiologyPregnancyPregnancy PhysiologyEarly Pregnancy Hormonal DynamicsMare Reproductive PhysiologyPregnancy-related Hormonal ChangesProgesterone AssayProgesterone DynamicsProgesterone MeasurementUterine Physiology