summary

Introduction: alcohol consumption during pregnancy (CADE) is recommended, which produces physical, cognitive and behavioral problems in the mother and fetus, so it is recommended to abstinence from this substance during pregnancy; however, factors present in adolescents may be related to the onset or continuation of alcohol consumption during pregnancy.

Objective: to identify the prevalence and factors related to alcohol consumption in pregnant adolescents (AS) through a systematic review.

Method: search for articles in English and Spanish between 2009 and 2019 in EA. The databases were PubMed, Web of Science: Social Sciences Citation Index, Science Citation Index and Scopus. The search terms included the words "pregnancy", "pregnant", "adolescent", "adolescence" and "alcohol". Data extraction was independent by one author using the study quality indicators; prevalence of CADE in AS and related personal, psychological and spiritual factors were determined.

Results: alcohol consumption before pregnancy and the presence of previous pregnancies were the most mentioned personal factors. Similarly, relationships were identified with psychological factors such as depression, anxiety, social factors such as just having a parent, having friends who smoke or drink, and not having a partner. Finally, some spiritual factors were found, among which the importance given to religion stands out.

Conclusions: alcohol consumption is multifactorial, however, there are personal, psychological, social and spiritual factors that increase the risk up to four times more of alcohol consumption.