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 May | 1 | 1 | 2 |
| 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 |
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| 2021 June | 11 | 10 | 21 |
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| 2021 April | 19 | 11 | 30 |
| 2021 March | 5 | 15 | 20 |
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| 2020 April | 5 | 8 | 13 |
| 2020 March | 5 | 6 | 11 |
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| 2020 January | 20 | 17 | 37 |
| 2019 December | 25 | 4 | 29 |
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| 2019 August | 23 | 10 | 33 |
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| 2019 June | 37 | 15 | 52 |
| 2019 May | 32 | 8 | 40 |
| 2019 April | 29 | 9 | 38 |
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| 2013 December | 22 | 0 | 22 |
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| 2013 September | 2 | 0 | 2 |
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