Evolución secular y por autonomías de la frecuencia de tratamientos de fertilidad, partos múltiples y cesáreas en España

Fertility treatments, multiple deliveries and caesarean sections are related to maternal age. Because maternal age has increased in Spain, it can also be expected an increase in these variables. We analyzed their evolution over the time and by maternal age, either globally and by Spanish Autonomous Communities.We studied a sample of 30,956 mothers of non-malformed newborn infants from all over Spain.between 1977 and June 2002.The percentage of...