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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| Year/Month | Html | Total | |
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| 2024 November | 30 | 7 | 37 |
| 2024 October | 29 | 25 | 54 |
| 2024 September | 49 | 37 | 86 |
| 2024 August | 60 | 50 | 110 |
| 2024 July | 45 | 32 | 77 |
| 2024 June | 34 | 16 | 50 |
| 2024 May | 26 | 13 | 39 |
| 2024 April | 34 | 27 | 61 |
| 2024 March | 27 | 22 | 49 |
| 2024 February | 29 | 17 | 46 |
| 2024 January | 39 | 25 | 64 |
| 2023 December | 21 | 25 | 46 |
| 2023 November | 25 | 32 | 57 |
| 2023 October | 25 | 35 | 60 |
| 2023 September | 27 | 33 | 60 |
| 2023 August | 13 | 16 | 29 |
| 2023 July | 21 | 13 | 34 |
| 2023 June | 20 | 8 | 28 |
| 2023 May | 21 | 19 | 40 |
| 2023 April | 21 | 8 | 29 |
| 2023 March | 30 | 13 | 43 |
| 2023 February | 35 | 17 | 52 |
| 2023 January | 17 | 17 | 34 |
| 2022 December | 32 | 25 | 57 |
| 2022 November | 24 | 22 | 46 |
| 2022 October | 23 | 35 | 58 |
| 2022 September | 18 | 28 | 46 |
| 2022 August | 29 | 30 | 59 |
| 2022 July | 23 | 37 | 60 |
| 2022 June | 20 | 27 | 47 |
| 2022 May | 25 | 30 | 55 |
| 2022 April | 22 | 34 | 56 |
| 2022 March | 26 | 45 | 71 |
| 2022 February | 12 | 25 | 37 |
| 2022 January | 13 | 18 | 31 |
| 2021 December | 16 | 18 | 34 |
| 2021 November | 8 | 14 | 22 |
| 2021 October | 8 | 19 | 27 |
| 2021 September | 7 | 13 | 20 |
| 2021 August | 9 | 7 | 16 |
| 2021 July | 3 | 4 | 7 |
| 2021 June | 11 | 10 | 21 |
| 2021 May | 8 | 9 | 17 |
| 2021 April | 19 | 11 | 30 |
| 2021 March | 5 | 15 | 20 |
| 2021 February | 7 | 4 | 11 |
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| 2020 December | 12 | 12 | 24 |
| 2020 November | 9 | 8 | 17 |
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| 2019 December | 25 | 4 | 29 |
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| 2019 June | 37 | 15 | 52 |
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| 2019 April | 29 | 9 | 38 |
| 2019 March | 24 | 7 | 31 |
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| 2015 December | 22 | 1 | 23 |
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| 2015 October | 41 | 4 | 45 |
| 2015 September | 30 | 4 | 34 |
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| 2015 July | 31 | 3 | 34 |
| 2015 June | 12 | 1 | 13 |
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| 2015 April | 20 | 0 | 20 |
| 2015 March | 25 | 0 | 25 |
| 2015 February | 12 | 0 | 12 |
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| 2014 January | 14 | 0 | 14 |
| 2013 December | 22 | 0 | 22 |
| 2013 November | 23 | 0 | 23 |
| 2013 October | 41 | 0 | 41 |
| 2013 September | 2 | 0 | 2 |
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