Zhu, Wenyue <br/><br/>
Maternal β-HCG concentrations in early IVF pregnancy: association with the embryo development stage of blastocysts.  [electronic resource] 

 -  Reproductive biomedicine online  May 2019 
 - 683-690 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1472-6491 
<br/><br/><label>Standard No.: </label>10.1016/j.rbmo.2018.11.035  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Blastocyst--physiology<br/>Chorionic Gonadotropin, beta Subunit, Human--blood<br/>Embryo Transfer<br/>Embryonic Development<br/>Female<br/>Humans<br/>Pregnancy<br/>Retrospective Studies