The Immaculate Conception, a solemnity celebrated on December 8, is the patronal feast of the United States. In 1854, Pope Pius IX's solemn declaration, Ineffabilis Deus (link al documento que está en ...

Pope Pius IX formally instituted the celebration of the Immaculate Conception when he proclaimed this dogma on December 8, 1854. Affirming the constant faith of the Church, he expressed in that ...

Greetings! Emmet here, and I'm about to witness an extremely rare event – a fossil being made! Some animals, many millions of years ago, were buried quickly after their death in substances like sand, ...

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A twin pregnancy is identified by two fetuses in the uterus at the same time. Prenatal visits should happen more often with twin pregnancies because of higher risk. Most twin pregnancies are ...

The average pregnancy lasts about 40 weeks from conception to delivery. Female fertility is highest between the late teens and late 20s. About 10 to 20 in 100 known pregnancies end in miscarriage. It ...