[案情]2007年2月,黄文与张珊认识,二人于当年4月登记结婚。同年8月,张珊怀孕,因未在计生部门办准生证,怕计生部门追查和罚款,两人协商去堕胎。但年龄已偏大的黄文不同意说是头胎,生的孩子聪明,如张珊执意要去,非得给其写个保证书,保证两年内怀孕生子。迫于无奈,张珊只好写了一张内容为“自愿堕胎,夫同意妻在堕胎后两 [Case] ​​In 2007 February, Huang Wen and Zhang Shan know, two people register in April of that year. In August of the same year, Zhang Shan was pregnant. She did not have a birth certificate issued by the family planning department, and was afraid that the family planning department would pursue and fine the money and both parties negotiated abortion. However, older Huang Wen do not agree that the first child, raw children smart, such as Zhang Shan insisted on going, have to write a guarantee, to ensure that pregnant and bearing within two years. Forced to helplessness, Zhang Shan had to write a piece of content as ”voluntary abortion, husband agreed to the wife after abortion two