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Developmental potential of embryos from cycles containing oocytes with severe ovoid zona pellucida. 2018

Shun Xiong, and Wei Han, and Weiwei Liu, and Lihong Wu, and Jun Xia Liu, and Yang Gao, and Guoning Huang
a Chongqing Reproductive and Genetics Institute , Chongqing , China.

The purpose of this study was to determine the incidence of oocytes with severe ovoid zona pellucida (ZP), investigate the development potential of their sibling oocytes and the clinical outcomes from affected cycles. The data were collected from our medical records. Cycles having at least one oocyte with severe ovoid ZP were defined as the 'severe ovoid group', cycles having at least one oocyte with mild ovoid ZP were defined as the 'mild ovoid group', whereas cycles without oocytes with ovoid ZPs were defined as the 'control group' (n = 150 for each group). The results showed that sibling embryos in the 'severe ovoid group' were characterized by delayed development and lower available embryo rate. The implantation, clinical pregnancy and live birth rates in this group were also significantly lower than that in the other two groups. There were five cycles in which only one embryo with severe ovoid ZP was transferred and two healthy babies were born. The mild ovoid group showed comparable embryo development and clinical outcomes compared with the control group. This study suggests that cycles containing oocytes with severe ovoid ZPs had delayed embryo development, lower available embryo rate, compromised implantation, clinical pregnancy and live birth rates.

UI MeSH Term Description Entries
D007247 Infertility, Female Diminished or absent ability of a female to achieve conception. Sterility, Female,Sterility, Postpartum,Sub-Fertility, Female,Subfertility, Female,Female Infertility,Female Sterility,Female Sub-Fertility,Female Subfertility,Postpartum Sterility,Sub Fertility, Female
D007248 Infertility, Male The inability of the male to effect FERTILIZATION of an OVUM after a specified period of unprotected intercourse. Male sterility is permanent infertility. Sterility, Male,Sub-Fertility, Male,Subfertility, Male,Male Infertility,Male Sterility,Male Sub-Fertility,Male Subfertility,Sub Fertility, Male
D008297 Male Males
D008499 Medical Records Recording of pertinent information concerning patient's illness or illnesses. Health Diaries,Medical Transcription,Records, Medical,Transcription, Medical,Diaries, Health,Diary, Health,Health Diary,Medical Record,Medical Transcriptions,Record, Medical,Transcriptions, Medical
D010062 Ovulation Induction Techniques for the artifical induction of ovulation, the rupture of the follicle and release of the ovum. Ovarian Stimulation,Ovarian Stimulations,Stimulation, Ovarian,Stimulations, Ovarian
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D001723 Birth Rate The number of births in a given population per year or other unit of time. Natality,Age-Specific Birth Rate,Age-Specific Fertility Rate,Fertility Rate,Age Specific Birth Rate,Age Specific Fertility Rate,Age-Specific Birth Rates,Age-Specific Fertility Rates,Birth Rate, Age-Specific,Birth Rates,Fertility Rate, Age-Specific,Fertility Rates,Natalities,Rate, Age-Specific Fertility,Rate, Birth,Rate, Fertility
D002681 China A country spanning from central Asia to the Pacific Ocean. Inner Mongolia,Manchuria,People's Republic of China,Sinkiang,Mainland China
D004477 Ectogenesis Embryonic and fetal development that takes place in an artificial environment in vitro. Ectogeneses
D005191 Family Characteristics Size and composition of the family. Family Size,Couples,Family Demography,Family Life Surveys,Family Size, Average,Family Size, Completed,Family Size, Desired,Family Size, Expected,Family Size, Ideal,Family and Household,Generations,Head of Household,Households,One-Person Household,Average Family Size,Average Family Sizes,Completed Family Size,Completed Family Sizes,Demography, Family,Desired Family Size,Desired Family Sizes,Expected Family Size,Expected Family Sizes,Family Characteristic,Family Demographies,Family Life Survey,Family Sizes,Family Sizes, Ideal,Household,Household Head,Household Heads,Household and Family,Household, One-Person,Ideal Family Size,Ideal Family Sizes,One Person Household,One-Person Households,Survey, Family Life

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