This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ... births. Since multiple births are more common at the later reproductive ages than at the earlier ages, it may be expected that the fertility figures will proportionally exceed the fecundity figures more at later ages than at earlier ages. The following tables will enable us to see if this is so; thai is to say, if ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ... births. Since multiple births are more common at the later reproductive ages than at the earlier ages, it may be expected that the fertility figures will proportionally exceed the fecundity figures more at later ages than at earlier ages. The following tables will enable us to see if this is so; thai is to say, if first-birth multiple births occur more commonly to wives married at advanced ages than to youthful brides. First we submit a table (XXXIII.) showing the age of the mothers at marriage and the number of first-birth children born within one year, within two years, and later than two years. The ages of the mothers at marriage are stated in the usual quinquennial groups. The number of children Table XXXI11.--Showing' ratios between First-born Children and Wives Married at Various Ages. is ascertained by taking the number of wives-mothers and adding one for each case of twins. It will be noticed that the total twin additions amount to 149, although there were actually 152 cases of first-birth twin births. The reason of this apparent discrepancy is that stillbirths were not registered, but that in three cases the twin birth was composed of the birth of a registered live child and of an unregistered stillbirth. Thus there were three cases of first-birth twins represented by only one card, and for these no addition is allowable. Of the 152 cases, 95 were within one year of marriage, 42 in the second year, and 15 later than two years. The total first births number 16,325, of which 14,798 occurred within two years of marriage and 1527 later than two years after marriage. That is to say, about 9 per cent, of the first births are delayed to a period of over two years after marriage. The ratios between the first births and the wives married at various ages ar...
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Add this copy of Natality and Fecundity: a Contribution to National to cart. $5.48, good condition, Sold by Redux Books rated 5.0 out of 5 stars, ships from Wyoming, MI, UNITED STATES, published 1906 by William Wood and Co.
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Good. Good hardcover. No DJ. Ex-Library (college) with usual markings. Text is clean and unmarked. Covers show edge wear and some rubbing. Binding is tight, hinges strong.; 100% Satisfaction Guaranteed! Ships same or next business day!
Add this copy of Natality and Fecundity: A Contribution to National to cart. $16.27, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Natality and Fecundity: A Contribution to National to cart. $27.44, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
Add this copy of Natality and Fecundity; a Contribution to National to cart. $31.00, very good condition, Sold by Second Life Books Inc. rated 4.0 out of 5 stars, ships from Lanesborough, MA, UNITED STATES, published 1906 by Oliver & Boyd.
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8vo, pp. vi, 170. Bibliography, index. Ex library, with stamps and bookplate. Hinges tender, front flyleaf little torn, o/w VG. Scarce study of natality in Scotland for 1855, based on previously unpublished data.
Add this copy of Natality and Fecundity: a Contribution to National to cart. $34.50, very good condition, Sold by Old Book Shop of Bordentown rated 3.0 out of 5 stars, ships from Bordentown, NJ, UNITED STATES, published 1906 by William Wood.
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Near Fine in None Issued jacket. First edition. dark green cloth lettered in gilt; 170 pps. with index, bibliography; illustrated with charts. Scarce study of natality in Scotland for 1855, based on previously unpublished data. Near fine.
Add this copy of Natality and Fecundity: A Contribution to National to cart. $39.01, new condition, Sold by Ria Christie Books rated 5.0 out of 5 stars, ships from Uxbridge, MIDDLESEX, UNITED KINGDOM, published 2022 by Legare Street Press.
