The law may vary from country to country to country as to whether it is illegal for a wife to kill a child without her husband's consent. Here are some common points:
Women's rights and personal rights: Many countries emphasize women's rights and autonomous decision-making, including the decision to terminate pregnancy. This is often based on respect for women's individual rights, safety, and health. In these countries, women are often free to decide whether or not to terminate their pregnancies without the consent of their husbands.
Partner consent: However, in some countries or regions, there may be legal provisions regarding partner consent. These provisions may require the wife to obtain her husband's consent before terminating the pregnancy. However, this can also vary from case to case, depending on the provisions of the country's laws, such as the period of pregnancy, the stability of the relationship, etc.
Marital relationship: Whether the husband's consent is required to terminate a pregnancy may be affected by the legal status of the relationship and the provisions of national law. In some countries, the requirement that a wife requires her husband's consent as a legal requirement may be closely related to matrimonial law. For example, in some countries, marriage is seen as based on equality and mutual respect, and women have the right to make their own decisions.
It is important to note that even if the law of a country allows women to decide to terminate their pregnancies on their own, this does not mean that there are no other restrictions. Usually, the state sets some legal provisions on the period, procedure and conditions for the termination of pregnancy.
Therefore, you need to consult a professional lawyer according to local laws to understand the specific legal requirements of your country or region. This will allow you to obtain accurate and applicable legal advice to your individual situation. Only a legal professional can give you a clear and specific legal opinion.