th and Development Studies</h2>

<h3>Description</h3>

<p>Birth weight, date, and gestational period collected as part of the Child
Health and Development Studies in 1961 and 1962.  Information about the baby's
parents &mdash; age, education, height, weight, and whether the mother smoked is
also recorded.
</p>


<h3>Usage</h3>

<pre><code class='language-R'>data(Gestation)
</code></pre>


<h3>Format</h3>

<p>A data frame with 1236 observations on the following variables.
</p>

<dl>
<dt><code>id</code></dt><