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\u00a0<\/span><\/p>\n

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<\/span><\/span>\u9673<\/span><\/strong>\u91ab\u5e2b\u7684\u610f\u898b:<\/span><\/span><\/strong><\/p>\n

\u53cd\u8986IVF<\/span>\u5931\u6557\u8005\u82e5\u6709\u65e9\u671f\u6d41\u7522\uff0c\u7b2c\u56db\u500b\u6708\u8d77\u61f7\u5b55\u7387\u6703\u589e\u52a0\uff0c\u83ef\u4eba\u793e\u6703\u6d41\u7522\u5f8c\u5f88\u91cd\u8996\u8abf\u7406\u6216\u5403\u6708\u5b50\u9910\uff0c\u4e09\u500b\u6708\u5f8c\u518d\u6230IVF<\/span>\u6301\u7e8c\u598a\u5a20\u7387\u81f3\u6d3b\u7522\u986f\u8457\u589e\u52a0\u3002<\/span><\/strong><\/p>\n

Reprod Biomed Online.<\/span><\/a>\u00a02012 Jul 8. [Epub ahead of print]<\/span><\/span><\/p>\n

Previous abortion is a positive predictor for ongoing pregnancy in the next cycle in women with repeated IVF failures.<\/span><\/span><\/strong><\/p>\n

Haas J<\/span><\/a>,\u00a0<\/span>Lerner-Geva L<\/span><\/a>,\u00a0<\/span>Yerushalmi GM<\/span><\/a>,\u00a0<\/span>Maman E<\/span><\/a>,\u00a0<\/span>Yinon Y<\/span><\/a>,\u00a0<\/span>Baum M<\/span><\/a>,\u00a0<\/span>Hourvitz A<\/span><\/a>.<\/span><\/span><\/span><\/p>\n

Source<\/span><\/span><\/strong><\/p>\n

IVF Unit, Department of Obstetrics and Gynecology, Chaim Sheba Medical Center , Tel-Hashomer, affiliated to the Sackler School of Medicine, Tel-Aviv University , Tel-Aviv , Israel .<\/span><\/span><\/span><\/p>\n

Abstract<\/span><\/span><\/strong><\/p>\n

Early pregnancy loss is common among women treated with assisted reproduction treatment, but whether it is a prognostic factor for success in subsequent IVF cycles is not well established. The aim of this study was to determine whether a biochemical pregnancy (BP) or spontaneous abortion (SA) affects the pregnancy rates in the following cycle. A retrospective study of 2687 women undergoing 6678 cycles between January 1998 and March 2010 was performed. Ongoing pregnancy rate (PR) per cycle was compared between patients with a pregnancy loss versus a negative \u03b2-HCG in their previous cycles. Multivariate analysis of factors affecting ongoing pregnancy rate was performed. BP and\/or SA in the first three cycles did not significantly alter the chances to conceive (16.9% patients with BP and\/or SA in the previous cycle versus 16.5% patients with no previous pregnancy). From cycle 4 onwards, the presence of a previous abortion (either BP or SA) was associated with better ongoing PR (23.0% versus 11.2%, P<0.001). In conclusion, BP and\/or SA in a previous cycle appears to be a positive marker for success in subsequent cycles in patients with repeated IVF failures. These results should be further investigated in this challenging group of patients.<\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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