General rules for submitting articles
1. Manuscripts should be submitted exclusively to Acta Obstetrica e Ginecologica
Portuguesa, and may not be under simultaneous consideration for publication in other journals. Manuscripts that have been previously rejected
by other journals will be considered for publication, and authors are free to submit those that have been rejected by this journal
2. All manuscripts are submitted to the journal on the authors’ initiative, except for revision articles that may also be
submitted on invitation from the Editors.
3. Data presented in the manuscript must not have been previously published, in whole or in part, in another journal. This does not include
publications in the form of abstract in proceedings of scientific meetings.
4. Authors may resubmit a rejected article once, within 3 months of the decision. Resubmitted articles will be considered as new
5. Requirements for authorship of manuscripts in this journal are in accordance with Uniform Requirements for Manuscripts
Submitted to Biomedical Journals.
6. Authors are responsible for carefully checking their texts before first submission, as well as with subsequent revised versions, and in
the final proofs of the manuscript.
Online submission of articles
1. Articles are submitted exclusively at the journal submission
2. The journal accepts six different types of articles:
• ORIGINAL STUDY
• REVIEW ARTICLE
• CASE REPORT
• IMAGE OF THE TRIMESTRE
• OPINION ARTICLE
• LETTER TO THE EDITOR
A sub-section of opinion articles entitled «Beyond Science» allows the submission of texts reporting personal experiences in the field
of Obstetrics and Gynecology and historical aspects of the specialty in Portugal.
3. All articles must contain a title in English, which should not exceed 150 caracters in length, including spaces.
4. The list of authors should include their first and last name(s), together with current academic and hospital positions. No more than
5 authors are accepted for review articles, opinion articles and for case reports; for «image of the trimestre» a maximum of 3 authors.
For original studies up to 8 authors will be accepted, and this number may be exceeded in corporate studies involving more than two
centers. One of the authors will be designated as «responsible for correspondence» and his/her contact information should be made available
at the journal submission site.
5. Original studies, review articles, opinion articles, case reports and «images of the trimester» must include an
abstract in English,
which should not exceed 300 words for original studies and 100 words for all other submissions. The text must not include any reference to
the authors or to the institution where research took place. The structure of the abstract varies according to the article type:
• ORIGINAL STUDY – paragraphs with the headings Overview and Aims, Study Design, Population,
Methods, Results, and Conclusions.
• OTHERS – free structure.
6. Original studies, review articles, opinion articles and case reports must include 1-5 keywords, according to MeSH terminology
7. All articles must include a title in Portuguese, which cannot exceed 150 caracters in length, including spaces.
8. All articles submitted as Case Reports and Images of the Trimestre should be entirely written in English.
9. Articles will only be admitted for evaluation if accompanied by a document signed by all authors manifesting their agreement with the
submitted manuscript. This document should be sent by email to: email@example.com.
Preparation of the manuscript, tables and figures
1. Uploaded files containing the main manuscript, tables and figures must not contain any reference to the authors or to the institution(s)
where research was conducted.
2. All texts should be submitted double spaced, using an 11-point Times New Roman font.
3. The structure and maximum dimensions (excluding references) of the main manuscript vary according to the type of article:
• ORIGINAL STUDY – separate sections with headings: Introduction, Methods, Results and Discussion; limit of
• REVIEW ARTICLE – free structure; limit of 3000 words.
• OPINION ARTICLE – free structure; limit of 1500 words.
• CASE REPORT – separate sections with headings: Introduction, Case Report and Discussion; limit of 1500 words.
• IMAGE OF THE TRIMESTRE – free structure; limit of 500 words. Maximum number of images: 2.
4. All research involving human subjects or animals should contain a statement in the text regarding the existence of prior
approval by an appropriate Ethics Committee. With human subjects it is also necessary to include a statement concerning the request of
informed consent from participants.
5. Abbreviations should be used sparingly and written in full extent at first usage, both in the article’s abstract and in the full body of
6. Drugs should always be referred to by their generic names, except when the trade name is of particular relevance. In this case they should
be accompanied by the symbol®.
7. Technical equipments, chemical or pharmaceutical products cited in the text should be followed in brackets by the name of the manufacturer,
city and country where they are commercialised.
8. At the end of the main text, authors may include the acknowledgements that they would like published in the article.
9. References should be numbered consecutively in the order that they are first mentioned in the text, tables or figure legends, using arabic
numbers in superscript; i.e 1,2,3. Papers accepted for publication but not yet published may be cited in the reference list in the usual
format, using the journal name followed by the words in press. Personal communications, abstracts published in congress proceedings, web
pages, and articles submitted for publication but still under evaluation may not be cited as references.
• ORIGINAL STUDY – maximum of 50 references.
• REVIEW ARTICLE – maximum of 125 references.
• OPINION ARTICLE – maximum of 20 references.
• CASE REPORT – maximum of 20 references.
• IMAGE OF THE TRIMESTRE – maximum of 5 references.
10. The reference list should follow the guidelines of the Uniform Requirements for Manuscripts Submitted to Biomedical Journals
www.icmje.org/icmje.pdf. Journal titles should be abbreviated according to the National Library of Medicine list, available at
http://www.nlm.nih.gov/bsd/uniform_requirements.html. All authors must be cited.
– Example of articles published in scientific journals:
Grant JM. The whole duty of obstetricians. BJOG 1997; 104:387-92.
– Example of Book chapters:
Goldenberg RL, Nelson KG. Cerebral Palsy. In: Maternal-Fetal Medicine (4th Edition). Creasy RK, Resnik R (eds).
11. Tables are to be submitted in digital format, separately from the main manuscript. They should be numbered sequentially with roman
numerals (I, II, III, IV etc.) and must not display internal vertical lines; the only horizontal lines that should appear are above and
below the table, and following the column headings. Data contained in the tables should be concise and must not duplicate the information
given in the text. Table legends should be submitted in the same files as the tables.
12. Figures should be numbered sequentially in the order that they appear in the text, using arabic numerals (1, 2, 3, etc.) and submitted
in digital format, in separate files from those of the main manuscript and tables. Both black-and-white and colour figures may be submitted.
Figure legends should be submitted within the main manuscript file, on a separate page, following the references.
13.After acceptance of an article, but before its publication, the authors must send to the journal by email the Authors’ Guarantee
available at www.aogp.com.pt/authors_form.pdf, signed by all.
Letters to the editor
1. Letters to the Editor usually refer to articles published in the last two issues of the journal, but those addressing other themes of
special interest may occasionally be published. If considered relevant, the Editor-in-Chief will ask for a reply from the authors of the
2. Letters to the Editor and replies from the authors should not exceed 750 words nor 5 references.