Original article
Secular trends in sex ratios at birth in South America over the second half of the 20th century
Tendências seculares das proporções de nascimentos entre gêneros na América do Sul durante a segunda metade do século XX
Victor Grech
PhD. Consultant Pediatrician, Department of Pediatrics, Mater Dei Hospital, Malta
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| 2024 November | 17 | 4 | 21 |
| 2024 October | 29 | 25 | 54 |
| 2024 September | 49 | 37 | 86 |
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| 2024 July | 45 | 32 | 77 |
| 2024 June | 34 | 16 | 50 |
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| 2024 April | 34 | 27 | 61 |
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