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1. On production of a medical certificate or other appropriate certification, as determined by national law and practice, stating the presumed date of childbirth, a woman to whom this Convention applies shall be entitled to a period of maternity leave of not less than 14 weeks.
2. The length of the period of leave referred to above shall be specified by each Member in a declaration accompanying its ratification of this Convention.
3. Each Member may subsequently deposit with the Director-General of the International Labour Office a further declaration extending the period of maternity leave.
4. With due regard to the protection of the health of the mother and that of the child, maternity leave shall include a period of six weeks' compulsory leave after childbirth, unless otherwise agreed at the national level by the government and the representative organizations of employers and workers.
5. The prenatal portion of maternity leave shall be extended by any period elapsing between the presumed date of childbirth and the actual date of childbirth, without reduction in any compulsory portion of postnatal leave.