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The crown-rump length in early human pregnancy: a reappraisal.
Published in:
BJOG: An International Journal of Obstetrics & Gynaecology, 1991, v. 98, n. 5, p. 460, doi. 10.1111/j.1471-0528.1991.tb10340.x
By:
- SCHATS, R.;
- OS, H. C.;
- JANSEN, C. A. M.;
- WLADIMIROFF, J. W.
Publication type:
Article
Embryonic heart activity: appearance and development in early human pregnancy.
Published in:
BJOG: An International Journal of Obstetrics & Gynaecology, 1990, v. 97, n. 11, p. 989, doi. 10.1111/j.1471-0528.1990.tb02469.x
By:
- SCHATS, R.;
- JANSEN, C. A. M.;
- WLADIMIROFF, J. W.
Publication type:
Article
Oestradiol-17β and progesterone level changes in peritoneal fluid around the time of ovulation.
Published in:
BJOG: An International Journal of Obstetrics & Gynaecology, 1987, v. 94, n. 6, p. 548, doi. 10.1111/j.1471-0528.1987.tb03149.x
By:
- KRUITWAGEN, R. F. P. M.;
- JANSSEN-CASPERS, H. A. B.;
- WLADIMIROFF, J. W.;
- SCHATS, R.;
- JONG, F. H. DE;
- DROGENDIJK, A. C.
Publication type:
Article
The role of cervical mucus-semen interaction in infertility of unknown aetiology.
Published in:
BJOG: An International Journal of Obstetrics & Gynaecology, 1984, v. 91, n. 4, p. 371, doi. 10.1111/j.1471-0528.1984.tb05926.x
By:
- SCHATS, R.;
- AITKEN, R. J.;
- TEMPLETON, A. A.;
- DJAHANBAKHCH, O.
Publication type:
Article
Ex vivo lymphocyte phenotyping during Plasmodium falciparum sporozoite immunization in humans.
Published in:
Parasite Immunology, 2015, v. 37, n. 11, p. 590, doi. 10.1111/pim.12276
By:
- Bijker, E. M.;
- Schats, R.;
- Visser, L. G.;
- Sauerwein, R. W.;
- Scholzen, A.
Publication type:
Article
Feasibility study for performing uterus transplantation in the Netherlands.
Published in:
Human Reproduction Open, 2020, v. 2020, n. 2, p. 1, doi. 10.1093/hropen/hoz032
By:
- Peters, H E;
- Juffermans, L J M;
- Lambalk, C B;
- Dekker, J J M L;
- Fernhout, T;
- Groenman, F A;
- Groot, C J M de;
- Hoksbergen, A W J;
- Huirne, J A F;
- Leeuw, R A de;
- Mello, N M van;
- Nederhoed, J H;
- Schats, R;
- Verhoeven, M O;
- Hehenkamp, W J K
Publication type:
Article
Continuous oral contraceptives versus long-term pituitary desensitization prior to IVF/ICSI in moderate to severe endometriosis: study protocol of a non-inferiority randomized controlled trial.
Published in:
Human Reproduction Open, 2019, v. 2019, n. 1, p. 1, doi. 10.1093/hropen/hoz001
By:
- Houwen, L E E van der;
- Lier, M C I;
- Schreurs, A M F;
- Wely, M van;
- Hompes, P G A;
- Cantineau, A E P;
- Schats, R;
- Lambalk, C B;
- Mijatovic, V
Publication type:
Article
Live birth rate after intrauterine insemination is not different between women with lower quartile versus higher quartile normal range thyroid stimulating hormone levels.
Published in:
Human Reproduction Open, 2019, v. 2019, n. 1, p. 1, doi. 10.1093/hropen/hoz002
By:
- Delprat, C C Repelaer van Driel-;
- Dam, E W C M van;
- Ven, P M van de;
- Homsma, S;
- Kooij, L van der;
- Vis, E;
- Peeters, R P;
- Schats, R;
- Lambalk, C B
Publication type:
Article
Influence of ovarian manipulation on reproductive endocrinology in polycystic ovarian syndrome and regularly cycling women.
Published in:
European Journal of Endocrinology, 2013, v. 169, n. 4, p. 503, doi. 10.1530/EJE-13-0334
By:
- Hendriks, M. L.;
- König, T.;
- Soleman, R. S.;
- Korsen, T.;
- Schats, R.;
- Hompes, P. G. A.;
- Homburg, R.;
- Lambalk, C. B.
Publication type:
Article
A short versus a long time interval between semen collection and intrauterine insemination: a randomized controlled clinical trial.
Published in:
Human Reproduction, 2023, v. 38, n. 5, p. 811, doi. 10.1093/humrep/dead044
By:
- Statema-Lohmeijer, C H;
- Schats, R;
- Lissenberg-Witte, B I;
- Kostelijk, E H;
- Lambalk, C B;
- Vergouw, C G
Publication type:
Article
Reduced pregnancy and live birth rates after in vitro fertilization in women with previous Caesarean section: a retrospective cohort study.
Published in:
2020
By:
- Vissers, J;
- Sluckin, T C;
- Driel-Delprat, C C Repelaer van;
- Schats, R;
- Groot, C J M;
- Lambalk, C B;
- Twisk, J W R;
- Huirne, J A F;
- van Driel-Delprat, C C Repelaer
Publication type:
journal article
Immobilization or mobilization after IUI: an RCT.
Published in:
2017
By:
- van Rijswijk, J.;
- Caanen, M. R.;
- Mijatovic, V.;
- Vergouw, C. G.;
- van de Ven, P. M.;
- Lambalk, C. B.;
- Schats, R.
Publication type:
journal article
Hysteroscopic proximal tubal occlusion versus laparoscopic salpingectomy as a treatment for hydrosalpinges prior to IVF or ICSI: an RCT.
Published in:
2016
By:
- Dreyer, K.;
- Lier, M. C. I.;
- Emanuel, M. H.;
- Twisk, J. W. R.;
- Mol, B. W. J.;
- Schats, R.;
- Hompes, P. G. A.;
- Mijatovic, V.
Publication type:
journal article
Short-term changes in hormonal profiles after laparoscopic ovarian laser evaporation compared with diagnostic laparoscopy for PCOS.
Published in:
Human Reproduction, 2014, v. 29, n. 11, p. 2544, doi. 10.1093/humrep/deu237
By:
- Hendriks, M.L.;
- König, T.;
- Korsen, T.;
- Melgers, I.;
- Dekker, J.;
- Mijatovic, V.;
- Schats, R.;
- Hompes, P.G.A.;
- Homburg, R.;
- Kaaijk, E.M.;
- Twisk, J.W.R.;
- Lambalk, C.B.
Publication type:
Article
No evidence that embryo selection by near-infrared spectroscopy in addition to morphology is able to improve live birth rates: results from an individual patient data meta-analysis.
Published in:
Human Reproduction, 2014, v. 29, n. 3, p. 455, doi. 10.1093/humrep/det456
By:
- Vergouw, C.G.;
- Heymans, M.W.;
- Hardarson, T.;
- Sfontouris, I.A.;
- Economou, K.A.;
- Ahlström, A.;
- Rogberg, L.;
- Lainas, T.G.;
- Sakkas, D.;
- Kieslinger, D.C.;
- Kostelijk, E.H.;
- Hompes, P.G.A.;
- Schats, R.;
- Lambalk, C.B.
Publication type:
Article
Recombinant LH supplementation to a standard GnRH antagonist protocol in women of 35 years or older undergoing IVF/ICSI: a randomized controlled multicentre study.
Published in:
2013
By:
- König, T E;
- van der Houwen, L E E;
- Overbeek, A;
- Hendriks, M L;
- Beutler-Beemsterboer, S N;
- Kuchenbecker, W K H;
- Renckens, C N M;
- Bernardus, R E;
- Schats, R;
- Homburg, R;
- Hompes, P G A;
- Lambalk, C B
Publication type:
Journal Article
Recombinant LH supplementation to a standard GnRH antagonist protocol in women of 35 years or older undergoing IVF/ICSI: a randomized controlled multicentre study.
Published in:
Human Reproduction, 2013, v. 28, n. 10, p. 2804, doi. 10.1093/humrep/det266
By:
- König, T.E.;
- van der Houwen, L.E.E.;
- Overbeek, A.;
- Hendriks, M.L.;
- Beutler-Beemsterboer, S.N.;
- Kuchenbecker, W.K.H.;
- Renckens, C.N.M.;
- Bernardus, R.E.;
- Schats, R.;
- Homburg, R.;
- Hompes, P.G.A.;
- Lambalk, C.B.
Publication type:
Article
Preconceptional low-dose aspirin for the prevention of hypertensive pregnancy complications and preterm delivery after IVF: a meta-analysis with individual patient data.
Published in:
2013
By:
- Groeneveld, E;
- Lambers, M J;
- Lambalk, C B;
- Broeze, K A;
- Haapsamo, M;
- de Sutter, P;
- Schoot, B C;
- Schats, R;
- Mol, B W J;
- Hompes, P G A
Publication type:
Journal Article
Preconceptional low-dose aspirin for the prevention of hypertensive pregnancy complications and preterm delivery after IVF: a meta-analysis with individual patient data.
Published in:
Human Reproduction, 2013, v. 28, n. 6, p. 1480, doi. 10.1093/humrep/det022
By:
- Groeneveld, E.;
- Lambers, M.J.;
- Lambalk, C.B.;
- Broeze, K.A.;
- Haapsamo, M.;
- de Sutter, P.;
- Schoot, B.C.;
- Schats, R.;
- Mol, B.W.J.;
- Hompes, P.G.A.
Publication type:
Article
Factors associated with dizygotic twinning after IVF treatment with double embryo transfer.
Published in:
2012
By:
- Groeneveld E;
- Lambers MJ;
- Stakelbeek ME;
- Mooij TM;
- van den Belt-Dusebout AW;
- Heymans MW;
- Schats R;
- Hompes PG;
- Hoek A;
- Burger CW;
- van Leeuwen FE;
- Lambalk CB;
- OMEGA-project group
Publication type:
Journal Article
Factors associated with dizygotic twinning after IVF treatment with double embryo transfer.
Published in:
Human Reproduction, 2012, v. 27, n. 10, p. 2966
By:
- Groeneveld, E.;
- Lambers, M.J.;
- Stakelbeek, M.E.F.;
- Mooij, T.M.;
- van den Belt-Dusebout, A.W.;
- Heymans, M.W.;
- Schats, R.;
- Hompes, P.G.A.;
- Hoek, A.;
- Burger, C.W.;
- van Leeuwen, F.E.;
- Lambalk, C.B.
Publication type:
Article
The influence of the type of embryo culture medium on neonatal birthweight after single embryo transfer in IVF.
Published in:
2012
By:
- Vergouw CG;
- Kostelijk EH;
- Doejaaren E;
- Hompes PG;
- Lambalk CB;
- Schats R
Publication type:
Journal Article
Day 3 embryo selection by metabolomic profiling of culture medium with near-infrared spectroscopy as an adjunct to morphology: a randomized controlled trial.
Published in:
2012
By:
- Vergouw CG;
- Kieslinger DC;
- Kostelijk EH;
- Botros LL;
- Schats R;
- Hompes PG;
- Sakkas D;
- Lambalk CB
Publication type:
Journal Article
Abnormal embryonic heart rate pattern in early pregnancy associated with Down's syndrome.
Published in:
Human Reproduction, 1990, v. 5, n. 7, p. 877
By:
- Schats, R.;
- Jansen, C.A.M.;
- Wladimiroff, J.W.
Publication type:
Article
Abnormal embryonic heart rate pattern in early pregnancy associated with Down's syndrome.
Published in:
1990
By:
- Schats, R;
- Jansen, C A;
- Wladimiroff, J W
Publication type:
journal article
Serial uterine artery Doppler velocity parameters and human uterine receptivity in IVF/ICSI cycles.
Published in:
Ultrasound in Obstetrics & Gynecology, 2008, v. 31, n. 4, p. 432, doi. 10.1002/uog.5179
By:
- Hoozemans, D. A.;
- Schats, R.;
- Lambalk, N. B.;
- Homburg, R.;
- Hompes, P. G. A.
Publication type:
Article
Comparison of ovarian function markers in users of hormonal contraceptives during the hormone-free interval and subsequent natural early follicular phases.
Published in:
2010
By:
- van den Berg, M. H.;
- van Dulmen-den Broeder, E.;
- Overbeek, A.;
- Twisk, J.W.R.;
- Schats, R.;
- van Leeuwen, F.E.;
- Kaspers, G.J.;
- Lambalk, C.B.
Publication type:
journal article
Metabolomic profiling by near-infrared spectroscopy as a tool to assess embryo viability: a novel, non-invasive method for embryo selection.
Published in:
Human Reproduction, 2008, v. 23, n. 7, p. 1499, doi. 10.1093/humrep/den111
By:
- C.G. Vergouw;
- L.L. Botros;
- P. Roos;
- J.W. Lens;
- R. Schats;
- P.G.A. Hompes;
- D.H. Burns;
- C.B Lambalk
Publication type:
Article
A family history of twinning in relation to multiple implantation.
Published in:
Human Reproduction, 2008, v. 23, n. 4, p. 889, doi. 10.1093/humrep/dem409
By:
- M.J. Lambers;
- S. Roek;
- L. Luttikhof;
- R. Schats;
- R. Homburg;
- P.G.A. Hompes;
- C.B. Lambalk
Publication type:
Article
Further considerations on natural or mild hyperstimulation cycles for intrauterine insemination treatment: effects on pregnancy and multiple pregnancy rates.
Published in:
Human Reproduction, 2005, v. 20, n. 11, p. 3141, doi. 10.1093/humrep/dei175
By:
- A.J. Goverde;
- C.B. Lambalk;
- J. McDonnell;
- R. Schats;
- R. Homburg;
- J.P.W. Vermeiden
Publication type:
Article
Ovarian response to standard gonadotrophin stimulation for IVF is decreased not only in older but also in younger women in couples with idiopathic and male subfertility.
Published in:
Human Reproduction, 2005, v. 20, n. 6, p. 1573, doi. 10.1093/humrep/deh827
By:
- A.J. Goverde;
- J. McDonnell;
- R. Schats;
- J.P.W. Vermeiden;
- R. Homburg;
- C.B. Lambalk
Publication type:
Article
Intercycle variability of ovarian reserve tests: results of a prospective randomized study.
Published in:
Human Reproduction, 2004, v. 19, n. 3, p. 590, doi. 10.1093/humrep/deh119
By:
- Kwee, J.;
- Schats, R.;
- McDonnell, J.;
- Lambalk, C. B.;
- Schoemaker, J.
Publication type:
Article
Birth weight and age at menarche in patients with polycystic ovary syndrome or diminished ovarian reserve, in a retrospective cohort.
Published in:
Human Reproduction, 2003, v. 18, n. 10, p. 2225, doi. 10.1093/humrep/deg409
By:
- S. Sadrzadeh;
- W.A.J. Klip;
- F.J.M. Broekmans;
- R. Schats;
- W.N.P. Willemsen;
- C.W. Burger;
- F.E. van Leeuwen;
- C.B. Lambalk
Publication type:
Article
Risk of benign gynaecological diseases and hormonal disorders according to responsiveness to ovarian stimulation in IVF: a follow-up study of 8714 women.
Published in:
Human Reproduction, 2003, v. 18, n. 9, p. 1951, doi. 10.1093/humrep/deg358
By:
- H. Klip;
- F. E. van Leeuwen;
- R. Schats;
- C.W. Burger;
- for the OMEGA project group
Publication type:
Article
Comparison of endocrine tests with respect to their predictive value on the outcome of ovarian hyperstimulation in IVF treatment: results of a prospective randomized study.
Published in:
2003
By:
- Kwee, J;
- Elting, M W;
- Schats, R;
- Bezemer, P D;
- Lambalk, C B;
- Schoemaker, J
Publication type:
journal article
Comparison of endocrine tests with respect to their predictive value on the outcome of ovarian hyperstimulation in IVF treatment: results of a prospective randomized study.
Published in:
Human Reproduction, 2003, v. 18, n. 7, p. 1422, doi. 10.1093/humrep/deg205
By:
- J. Kwee;
- M.W. Elting;
- R. Schats;
- P.D. Bezemer;
- C.B. Lambalk;
- J. Schoemaker
Publication type:
Article
Augmentation of ovarian response by dehydroepiandrosterone.
Published in:
2001
By:
- van Weering, H. G. I.;
- Gutknecht, D. R.;
- Schats, R.;
- van Weering, H G
Publication type:
commentary
Dose-finding study of triptorelin acetate for prevention of a premature LH surge in IVF: a prospective, randomized, double-blind, placebo-controlled study.
Published in:
2000
By:
- Janssens, R. M. J.;
- Lambalk, C. B.;
- Vermeiden, J. P. W.;
- Schats, R.;
- Bernards, J. M.;
- Rekers-Mombarg, L. T. M.;
- Schoemaker, J.;
- Janssens, R M;
- Vermeiden, J P;
- Rekers-Mombarg, L T
Publication type:
journal article
Ovarian stimulation during assisted reproduction treatment: a comparison of recombinant and highly purified urinary human FSH. On behalf of The Feronia and Apis study group.
Published in:
2000
By:
- Schats, R.;
- De Sutter, P.;
- Bassil, S.;
- Kremer, J. A. M.;
- Tournaye, H.;
- Donnez, J.;
- Sutter, P D;
- Kremer, J A
Publication type:
journal article
In-vitro fertilization in a spontaneous cycle: easy, cheap and realistic.
Published in:
2000
By:
- Janssens, R M;
- Lambalk, C B;
- Vermeiden, J P;
- Schats, R;
- Schoemaker, J
Publication type:
journal article
Infertility. In-vitro fertilization in a spontaneous cycle: easy, cheap and realistic.
Published in:
Human Reproduction, 2000, v. 15, n. 2, p. 314, doi. 10.1093/humrep/15.2.314
By:
- Janssens, R.M.J.;
- Lambalk, C.B.;
- Vermeiden, J.P.W.;
- Schats, R.;
- Schoemaker, J.
Publication type:
Article
Successful in-vitro fertilization in a natural cycle after four previously failed attempts in stimulated cycles: case report.
Published in:
1999
By:
- Janssens, R M;
- Lambalk, C B;
- Schats, R;
- Schoemaker, J
Publication type:
journal article
Infertility. Successful in-vitro fertilization in a natural cycle after four previously failed attempts in stimulated cycles: Case report.
Published in:
Human Reproduction, 1999, v. 14, n. 10, p. 2497, doi. 10.1093/humrep/14.10.2497
By:
- Janssens, R.M.J.;
- Lambalk, C.B.;
- Schats, R.;
- Schoemaker, J.
Publication type:
Article
Haemostatic and metabolic abnormalities in women with unexplained recurrent abortion.
Published in:
1999
By:
- Coumans, ABC;
- Huijgens, PC;
- Jakobs, C;
- Schats, R;
- de Vries, JIP;
- van Pampus, MG;
- Dekker, GA;
- Coumans, A B;
- Huijgens, P C;
- de Vries, J I;
- van Pampus, M G;
- Dekker, G A
Publication type:
journal article
Gonadotrophin-releasing hormone agonist dose-dependency of pituitary desensitization during controlled ovarian hyperstimulation in IVF.
Published in:
1998
By:
- Janssens, RMJ;
- Vermeiden, JPW;
- Lambalk, CB;
- Schats, R;
- Schoemaker, J;
- Janssens, R M;
- Vermeiden, J P;
- Lambalk, C B
Publication type:
journal article
Only hydrosalpinges visible on ultrasound are associated with reduced implantation and pregnancy rates after in-vitro fertilization.
Published in:
1998
By:
- de Wit, W;
- Gowrising, CJ;
- Kuik, DJ;
- Lens, JW;
- Schats, R;
- Gowrising, C J;
- Kuik, D J;
- Lens, J W
Publication type:
journal article
An artificially induced follicle stimulating hormone surge at the time of human chorionic gonadotrophin administration in controlled ovarian stimulation cycles has no effect on cumulus expansion, fertilization rate, embryo quality and implantation rate.
Published in:
1997
By:
- Vermeiden, J P;
- Roseboom, T J;
- Goverde, A J;
- Suchartwatnachai, C;
- Schoute, E;
- Braat, D D;
- Schats, R
Publication type:
journal article
An unexpected guest in follicular fluid.
Published in:
1996
By:
- Goverde, Angelique J.;
- Schats, Roel;
- van Berlo, Patricia J.M.;
- Claessen, Frans A.P.;
- Goverde, A J;
- Schats, R;
- van Berlo, P J;
- Claessen, F A
Publication type:
journal article
The probability of pregnancy after embryo transfer is affected by the age of the patient, cause of infertility, number of embryos transferred and the average morphology score, as revealed by multiple logistic regression analysis.
Published in:
1995
By:
- Roseboom, T.J.;
- Vermeiden, J.P.W.;
- Schoute, E.;
- Lens, J.W.;
- Schats, R.;
- Vermeiden, J P
Publication type:
journal article
Successful treatment of an advanced interstitial pregnancy by sequential systemic and local administration of methotrexate.
Published in:
1995
By:
- Hoek, A.;
- Broekmans, F.J.;
- Verheijen, R.H.M.;
- Schats, R.;
- Verheijen, R H
Publication type:
journal article

Found: 56