(a) A wife who is pregnant with her husband's child shall be deemed to be in a dependent condition when her husband does not furnish her sufficient food, clothing, or medical treatment to meet her needs, both before and immediately upon the birth of the child.

(b) Any husband who willfully and voluntarily abandons his wife, while she is pregnant with his child, leaving her in a dependent condition, shall be guilty of a misdemeanor.

(c) Any husband who willfully and voluntarily abandons his wife while she is pregnant with his child and leaves the jurisdiction of this state shall be guilty of a felony punishable by imprisonment for not less than one year nor more than three years. The felony shall be reducible to a misdemeanor.

(d) For purposes of this Code section, a husband shall not be deemed to have abandoned his wife willfully and voluntarily unless he has actual knowledge of her pregnant condition.

(e) The offense of abandonment as set forth in this Code section is a continuing offense.

(f) The wife shall be competent to be a witness against her husband in any proceedings or cases brought against the husband for abandonment as set forth in this Code section.