...4|IndexEntry=population theory|OtherIndexEntry=theory, population}} (cf. {{NonRefTerm|901}}). This term must not be confused with theoretical demography ({{RefNu

...erm "parent", when used in the singular is not equivalent to the French "{{NonRefTerm|parent}}".}}

...{{TextTerm|chart|3|155}} or {{TextTerm|map|3|155|2}}. In France the word {{NonRefTerm|schema}} is used to denote a diagram which gives a {{TextTerm|schematic|4|1

...})^th..., etc. unit, where {{NonRefTerm|n}} is not larger than {{NonRefTerm|s}} and is selected at random. In {{TextTerm|cluster sampling|7|161|OtherIn

...202|IndexEntry=sample survey|OtherIndexEntry=survey, sample}} (cf. para. {{NonRefTerm|160}}). Censuses or surveys are sometimes preceded by {{TextTerm|pre-tests|

...h the gainful worker concept or with the labour force concept (cf. para. {{NonRefTerm|351}}).}}

Mortality statistics are generally compiled from death registrations (cf. {{NonRefTerm|211}}). When {{NoteTerm|a}} death takes place a {{TextTerm|death certificat ...=survival, probability of}} from exact age {{NonRefTerm|x}} to exact age {{NonRefTerm|x+ n}}.

...try=marriage, valid}}. Although legally a marriage is not dissolved by a {{NonRefTerm|de facto}} separation ({{RefNumber|51|2|5}}), the expression {{TextTerm|dis

...ivor|OtherIndexEntry=survivor, ever-married}}, persons alive at birthday {{NonRefTerm|x}} who have been married before that birthday; and the {{TextTerm|probabil ...he number of married couples is sometimes computed and may be called the {{NonRefTerm|crude divorce rate of the married population}}. Ideally, however, the rate

...the science dealing with the development of embryos. {{NoteTerm|foetus}} {{NonRefTerm|n}}. — {{NoteTerm|foetal}} adj. 9. {{NoteTerm|uterus}} n. — {{NoteTerm| ...an earlier expulsion is called an {{TextTerm|abortion|5|603}} (cf. para. {{NonRefTerm|604}}). The period of about six weeks after delivery (during which the uter

...} are properly translated by fertility, and {{NonRefTerm|fertilité}} or {{NonRefTerm|fertilidad}} by fecundity. It should also be noted that although the conven ...cle in which ovulation does not occur). A woman is also sterile from the {{NonRefTerm|end}} of pregnancy ({{RefNumber|60|2|5}}) to the resumption of ovulation, w

...t distinction of marital status ({{RefNumber|51|5|1}}) (called in French {{NonRefTerm|taux de fécondité générale}}) make use of legitimate and illegitimate b ...rtility is complete and whose numerator is the number of women of parity {{NonRefTerm|n}} + 1 in the same population. These ratios reflect all prior childbearing