Merge branch 'pregmod-dev' into 'pregmod-master'

fix for https://8ch.net/hgg/res/170344.html#q172522

See merge request !1594

src/js/storyJS.tw

@@ -293,7 +293,11 @@ window.canImpreg = function(slave1, slave2) {
 window.isFertile = function(slave) {
 	if (!slave) {
 		return null;
-	} else if (slave.preg > 0 || slave.broodmother > 0) { /*(slave.womb.length > 0 || slave.broodmother > 0)   currently pregnant or broodmother */
+	}
+
+	WombInit(slave);
+
+	if (slave.womb.length > 0 || slave.broodmother > 0) { /* currently pregnant or broodmother */
 		return false;
 	} else if (slave.preg < -1) { /* sterile */
 		return false;