8.2 Bulgaria

8.2.1 Total adolescent births

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Total adolescent births per woman

	Country	5-year birth cohort	Unweighted cases	Total adolescent births
		1940 1985	188 949	0.029518015311744 0.297783344649355
1	Bulgaria	1940	383	0.23
2	Bulgaria	1945	460	0.25
3	Bulgaria	1950	430	0.29
4	Bulgaria	1955	413	0.30
5	Bulgaria	1960	894	0.27
6	Bulgaria	1965	853	0.30
7	Bulgaria	1970	949	0.30
8	Bulgaria	1975	820	0.26
9	Bulgaria	1980	620	0.21
10	Bulgaria	1985	188	0.03

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8.2.2 Total adolescent births by age at first birth

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Total adolescent births per woman by age at first birth

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Total adolescent births
		1940 1985		1 163	1.000000000000000 2.326474371684850
1	Bulgaria	1940	15-17 years	18	1.06
2	Bulgaria	1940	18-19 years	68	1.03
3	Bulgaria	1945	14 years and younger	1	2.00
4	Bulgaria	1945	15-17 years	31	1.46
5	Bulgaria	1945	18-19 years	66	1.02
6	Bulgaria	1950	15-17 years	34	1.40
7	Bulgaria	1950	18-19 years	73	1.05
8	Bulgaria	1955	14 years and younger	7	1.71
9	Bulgaria	1955	15-17 years	29	1.42
10	Bulgaria	1955	18-19 years	65	1.08

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8.2.3 Contribution to total adolescent fertility by cohort and age at first birth

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Contribution to total adolescent fertility by cohort and age at first birth

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Proportion
		1940 1985		1 163	0.012476196557048 0.784802720218288
1	Bulgaria	1940	15-17 years	18	0.22
2	Bulgaria	1940	18-19 years	68	0.78
3	Bulgaria	1945	14 years and younger	1	0.02
4	Bulgaria	1945	15-17 years	31	0.39
5	Bulgaria	1945	18-19 years	66	0.59
6	Bulgaria	1950	15-17 years	34	0.38
7	Bulgaria	1950	18-19 years	73	0.62
8	Bulgaria	1955	14 years and younger	7	0.09
9	Bulgaria	1955	15-17 years	29	0.34
10	Bulgaria	1955	18-19 years	65	0.57

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8.2.4 Contribution to total adolescent fertility by age at first birth (all cohorts)

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Contribution to total adolescent fertility by age at first birth (all cohorts)

	Country	Age at first birth	Unweighted cases	Proportion
			36 896	0.035439522289085 0.600201856321738
1	Bulgaria	14 years and younger	36	0.04
2	Bulgaria	15-17 years	402	0.36
3	Bulgaria	18-19 years	896	0.60

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8.2.5 Completed fertility by motherhood entry age

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Children ever born by motherhood entry age, women aged 40 and older

	Country	5-year birth cohort	Age at first birth	Unweighted cases	Number of children
		1940 1960		86 677	1.724909938432140 2.401426870168450
1	Bulgaria	1940	All mothers	344	1.87
2	Bulgaria	1940	In adolescence	86	2.07
3	Bulgaria	1940	After adolescence	258	1.80
4	Bulgaria	1945	All mothers	417	1.91
5	Bulgaria	1945	In adolescence	98	2.30
6	Bulgaria	1945	After adolescence	319	1.79
7	Bulgaria	1950	All mothers	395	1.90
8	Bulgaria	1950	In adolescence	107	2.37
9	Bulgaria	1950	After adolescence	288	1.72
10	Bulgaria	1955	All mothers	371	1.94

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8.2.6 Difference in completed fertility between adolescent and non-adolescent mothers

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Difference in completed fertility between adolescent and non-adolescent mothers

	Country	5-year birth cohort	Difference in number of births
		1940 1960	0.267100922441932 0.640169505871560
1	Bulgaria	1940	0.27
2	Bulgaria	1945	0.51
3	Bulgaria	1950	0.64
4	Bulgaria	1955	0.63
5	Bulgaria	1960	0.54

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8.2.7 Contribution of adolescent fertility to total fertility by cohort

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Contribution of adolescent fertility to total fertility by cohort

	Country	5-year birth cohort	Unweighted cases	Proportion
		1940 1960	344 677	0.138497261209419 0.170551802569437
1	Bulgaria	1940	344	0.14
2	Bulgaria	1945	417	0.14
3	Bulgaria	1950	395	0.17
4	Bulgaria	1955	371	0.17
5	Bulgaria	1960	677	0.16

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8.2.8 Mean age at first birth

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Mean age at first birth, women with first birth before age 30

	Country	5-year birth cohort	Unweighted cases	Mean age
		1940 1975	2 826	22.21319225956910 23.38408489678830
1	Bulgaria	1940	343	22.99
2	Bulgaria	1945	417	23.38
3	Bulgaria	1950	394	22.66
4	Bulgaria	1955	370	22.45
5	Bulgaria	1960	826	22.53
6	Bulgaria	1965	761	22.21
7	Bulgaria	1970	635	22.26
8	Bulgaria	1975	2	22.38

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8.2.9 Adolescent parity progression ratios

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Adolescent parity progression ratios

	Country	5-year birth cohort	Progression ratio from	Unweighted cases	Ratio
		1940 1985		0 236	0.000000000000000 0.250154757376996
1	Bulgaria	1940	none to 1st birth	86	0.22
2	Bulgaria	1940	1st to 2nd birth	3	0.04
3	Bulgaria	1940	2nd to 3rd birth	0	0.00
4	Bulgaria	1940	3rd to 4th birth	0	0.00
5	Bulgaria	1940	4th to 5th birth	0	0.00
6	Bulgaria	1945	none to 1st birth	98	0.21
7	Bulgaria	1945	1st to 2nd birth	16	0.16
8	Bulgaria	1945	2nd to 3rd birth	0	0.00
9	Bulgaria	1945	3rd to 4th birth	0	0.00
10	Bulgaria	1945	4th to 5th birth	0	0.00

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8.2.10 Adolescent parity progression ratios by age

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Adolescent parity progression ratios by mother's age at first birth

	Country	5-year birth cohort	Age at first birth	Progression ratio from	Unweighted cases	Ratio
		1940 1985			0 163	0.000000000000000 1.000000000000000
1	Bulgaria	1940	14 years and younger	none to 1st birth	0	0.00
2	Bulgaria	1940	15-17 years	none to 1st birth	18	0.05
3	Bulgaria	1940	18-19 years	none to 1st birth	68	0.18
4	Bulgaria	1940	14 years and younger	1st to 2nd birth	0	0.00
5	Bulgaria	1940	15-17 years	1st to 2nd birth	1	0.06
6	Bulgaria	1940	18-19 years	1st to 2nd birth	2	0.03
7	Bulgaria	1940	14 years and younger	2nd to 3rd birth	0	0.00
8	Bulgaria	1940	15-17 years	2nd to 3rd birth	0	0.00
9	Bulgaria	1940	18-19 years	2nd to 3rd birth	0	0.00
10	Bulgaria	1940	14 years and younger	3rd to 4th birth	0	0.00

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8.2.11 Rapid Repeat Birth probability

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Likelihood that an adolescent mother has a rapid repeat birth

	Country	5-year birth cohort	Likelihood
			0.054821724172722 0.244314334571616
1	Bulgaria	1940	0.05
2	Bulgaria	1945	0.18
3	Bulgaria	1950	0.19
4	Bulgaria	1960	0.23
5	Bulgaria	1965	0.24
6	Bulgaria	1970	0.19
7	Bulgaria	1975	0.19
8	Bulgaria	1980	0.19

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8.2.12 Rapid Repeat Birth proportion

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Proportion of nonfirst adolescent births that are rapid repeat births

	Country	5-year birth cohort	Unweighted cases (non-first adolescent births)	Proportion
		1940 1980	3 50	0.508255156004275 0.710256572028500
1	Bulgaria	1940	3	0.66
2	Bulgaria	1945	16	0.52
3	Bulgaria	1950	18	0.56
4	Bulgaria	1955	22	0.51
5	Bulgaria	1960	34	0.71
6	Bulgaria	1965	46	0.63
7	Bulgaria	1970	50	0.57
8	Bulgaria	1975	45	0.52
9	Bulgaria	1980	30	0.59

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