HC van Os

Van Os HC Zeilmaker GH. Volumetric behaviour and survival of mouse zygotes and embryos in hyperosmotic media. Hum. reprod. 1986; 1:95-8

Alberda ATh, Leerentveld RA, Janssen- Caspers HAB, Scholtes MCW, Van Os HC, Zeilmaker GH. Resultaten van in-vitro fertilisatie in het academisch ziekenhuis rotterdam Dijkzigt in 1986. Ned. T.v. Geneeskd. 1987; 131: 2194-7

Leerentveld RA, Zeilmaker GH, Alberda ATh, Janssen- Caspers HAB, Scholtes MCW, Van Os HC, Both high and low plasma 17-b oestradiol levels are detrimental in in-vitro fertilisation cycles. Hum. Reprod. 1987; 2S: 19-20.

Leerentveld RA, Janssen- Caspers HAB, van Os HC, Scholtes MCW, Wladimiroff JW, Zeilmaker GH, De Jong FH, Alberda AH The value and role of plasma 17 b oestradiol measurements during ovarian hyperstimulation for in- vitro fertilisation Hum. Reprod. 1988; 3: 735- 40

Scholtes MCW, Hop WCJ, Alberda ATh, Janssen- Caspers HAB, Leerentveld RA, Van Os HC, Zeilmaker GH. Factors influencing the outcome of successive IVF treatment cycles in attaining a follicular puncture. Hum. Reprod. 1988; 3: 755-61

Van Os HC, Alberda ATh, Hage JC, Jansen CAM, Janssen- Caspers HAB, Leerentveld RA, Scholtes MCW, Verhoeff A, Zeilmaker GH. The influence of the interval between in vitro fertilization and embryos transfer and some other variables on treatment outcome. Hum. Reprod. 1988; 3S: 1014

Alberda ATh, Van Os HC, Zeilmaker GH, Rothbarth PhH, Heijtink RA, Schalm SW. Hepatitis B infectie bij vrouwen behandeld met IVF. Ned. T.v. Geneeskd. 1989; 133: 20-5

Van Os HC, Alberda ATh, Janssen- Caspers HAB, Leerentveld, Scholtes MCW, Zeilmaker GH. The influence of the interval between in vitro fertilization and embryo transfer and some other variables on treatment outcome. Fertil Steril. 1989; 51: 360-2

Jansen CAM en Van Os HC. De waarde en beperking van vaginale ehografie, deel 1: Obstetrie en gynaecologie. Tijdschrift voor Fertiliteitsonderzoek, 1989; 3:No 2: 9- 14

Jansen CAM en Van Os HC. De waarde en beperking van vaginale echografie, deel 2: Endocrinologie en infertiliteit.Tijdschrift voor Fertiliteitsonderzoek, 1989; 3:No 3: 7 - 14

Jansen CAM en Van Os HC. Value and limitations of vaginal ultrasonography- a review. Human Reproduction, 1989; 4: 858- 68 (text abstract)

Jansen CAM, Van Os HC, Tombrock-Scheffer M, Cleveringa LM, Stienstra-Valle L, Jaarsma EY en Rijnders PM. Resultaten van moderne onvruchtbaarheidsbehandelingen: wat is succes ? Ned.Tijdsch. v.Obstetrie en Gynaecologie. 1989; 102: 408- 12.

Jansen CAM en Van Os HC. Transvaginale Echografie: een nieuwe aanwinst. Ned.T.v.Geneeskd. 1990; 134: 2125- 30 (Caput Selectum)

Jansen CAM en Van Os HC.Vaginale Echografie: mogelijkheden en onmogelijkheden. Ultrasonoor bulletin, 1990; 18: 35- 45

Van Os HC en Jansen CAM Yolk sac diameter in missed abortion and ongoing pregnancy. Hum.Reprod. 1990; 5S: 123

Jansen CAM en Van Os HC.Transvaginale echografie: een nieuwe aanwinst; antwoord op ingezonden mededeling Y.H. Winants en G Fijten. Ned. T.v. Geneeskd. 1991; 135: 390- 1.

Schats R, Van Os HC, Jansen CAM en Wladimiroff JW. The crown-rump length in early human pregnancy: a reappraisal Br. J. Obstet. Gynaecol. 1991; 98: 460- 2.

Jansen CAM en van Os HC. Medisch Jaarverslag, In Vitro Fertilisatie 1989- 1990 ISBN 90-90004784-0; 1991; 134 pages

Van Os HC, Tombrock- Scheffer M, Jaarsma EY, Rijnders PM en Jansen CAM. Supernumerary oocytes: desirable or dangerous ? Hum.Reprod. 1990; 5S: 123- 24

Tombrock- Scheffer M, Van Os HC, Jaarsma EY, Rijnders PM en Jansen CAM. Indications for IVF and age distribution are not independent. Hum.Reprod. 1990; 5S: 120

Rijnders PM, Jaarsma EY, Van Os HC, Tombrock-Scheffer M en Jansen CAM Pregnancies from embryos without evidence of fertilisation. Hum.Reprod. 1990; 5S: 39

Jaarsma EY, Rijnders PM, Van Os HC, Tombrock-Scheffer M en Jansen CAM Fertilisation and cleavage failure in IVF: a therapeutic dilemma. Hum.Reprod. 1990; 5S: 95

Van Os HC. Fertiliteitstechnieken. Symposiumverslag "Verluchting, verlichting en verwachting" Ed. MFF Franken 1990; 25-26

Van Os HC en Jansen CAM. Ultrasonic aspects of the yolk sac in ongoing pregnancy and pregnancy failure. Ultrasound in Obstet. Gynecol. 1991; 1S: 32.

Van Os HC, Drogendijk AC Fetter WP, Heijtink RA, Zeilmaker GH. The influence of contamination of culture medium with hepatitis B virus on the outcome of in vitro fertilization pregnancies. Am.J.Obstet. Gynecol. 1991; 165: 152-9 (text abstract) (full text)

van Os HC en Jansen CAM. Echoscopisch aspect van de dooierzak in doorgaande zwangerschap en miskraam Ned.T.Obstet.Gynaecol. 1992; 105: 262- 3.

Van Os HC, Roozenburg BJ, Janssen- Caspers HA, Leerentveld RA, Scholtes MCW, Zeilmaker GH, Alberda ATh. Vaginal disinfection with povidone iodine and the outcome of in-vitro fertilization. Hum. Reprod. 1992; 7: 349-50 (text abstract)

van Os HC en Jansen CAM. Een pleidooi voor revisie van de Robinson- curve Ned.T.Obstet.Gynaecol. 1992; 105: 263- 4.

Koch WFRM, van Os HC, Schats R en Jansen CAM. Is there a higher chance of success in IVF recidivists ? Hum. Reprod. 1992; 7S 2: 12- 3. (text)

van Os HC en Jansen CAM. Intercycle variation of basal FSH and improvement of IVF results. Hum. Reprod. 1992; 7S 2: 59.

Van Os HC en Jansen CAM. Robinson's curve requires revision. Hum. Reprod. 1992; 7S 2: 35.

Van Os HC en Jansen CAM. The yolk sac only blows up after early fetal demise Hum. Reprod. 1992; 7S 2: 80- 1.

Rijnders PM, Jaarsma EY, Gerritzen K, Haarlem R, Van Os HC en Jansen CAM. Results of IVF with donor sperm in relation to the number of preceding failed AID treatment cycles Hum. Reprod. 1992; 7S 2: 193- 4. (t ext)

Heijdra- Pas P, Timmer G, Stienstra-Valle A., Van Os HC, Haarlem RJ en Jansen CAM. Interrelationship between anaesthesia and nursing support during follicle aspiration for IVF Hum. Reprod. 1992; 7S 2: 200- 1. (text)

Grosheide PM, Schalm SW, Van Os HC, Fetter WP, Heijtink RA. Immune response to hepatitis B vaccine in pregnant women receiving post- exposure prophylaxis. Eur. J. Obstet. Gynecol. Reprod. Biol. 1993; 50: 53- 8. (text abstract)

Rietberg, Ch, van Os, HC en Jansen, CAM. Qualitative urinary pregnanediol glucuronide self testing (Phase Check) detects luteinization but not ovulation. Hum. Reprod. 1993; 8S 1: 113.

Van Beusekom, MJ, In 't Hout, J, Rijnders,PM, Jaarsma, EY, van Os, HC en Jansen, CAM. Polypronuclear zygotes in IVF are related to fertilization rates but not to implantation rates. Hum. Reprod. 1993; 8S 1: 124.

Quint WG, Fetter WP, Van Os HC, Heijtink RA. Absence of hepatits B virus (HBV) DNA in children born after exposure of their mothers to HBV during in vitro fertilization. J. Clin. Microbiol. 1994; 32: 1099-1100 (text abstract)

Hellebout S, De Sutter P, Onghena A, Coetsier T, Dozortsev D, Verhoeff A, Jansen CAM, Van Os HC, Lambers MJ, Roelofs HJM, Crooij MJ, Ten-Kate- Booy MJ, Dhont M. Transport ICSI: de eerste vijftig zwangerschappen. Annals Ver. v. Fertiliteitstudie 1995; 22 (I): 29-30

De Sutter P, Dorzortsev D, Verhoeff A, Coetsier T, Jansen CAM, van Os HC, Dhont M Transport Intracytoplasmic Sperm Injection (ICSI): a cost- effective alternative. J. Ass. Reprod. Gen. 1996: 13S: 234- 237

Jansen CAM, van Os HC Puregon without analogues: an oxymoron? Gynecol. Endocrinol. 1996; 10S: 34

Dolfing JG, Rijnders, PM, van Os HC, Jansen CAM Pregnancy rate per embryo transfer do not reflect implantation potential Hum Reprod. 1996; 11S: 130

Dolfing JG, Rijnders PM, Van Os HC Jansen CAM Increasing discrepancy between pregnancy rates and implantation rates in successive IVF cycles. J.Ass. Reprod. Gen. 1997; 14: 91S

Dolfing JG, Schweitzer DH, Van Vreedendaal M, Bosman C, Van Os HC, Jansen CAM The evaluation of hyperinsulinaemia and 21 a-hydroxylase deficiency and its interrelationship in a group of patients with clomiphene resistant anovulatory infertility Hum. Reprod. 1997; 12: 233-4

Van Os HC, Rijnders PM, Jansen CAM. Transfer of blastocysts in the human: course and outcome of pregnancy and offspring. Hum. Reprod. 1998: 13S: 6

Jansen CAM, van Os HC, Out HJ, Coelingh Bennink HJT A prospective randomized clinical trial comparing recombinant follicle stimulating hormone (Puregon) and human menopausal gonadotrophins (Humegon) in non- downregulated in-vitro fertilisation patients. Hum. Reprod 1998; 13: 2995-9

Koudstaal J, van Dop PA, Hogerzeil HV, Kremer JAM Naaktgeboren N, Van Os HC, Tiemessen CHJ, Visser GHA Beloop en uitkomst van 2956 zwangerschappen na in-vitro fertilisatie in Nederland. Ned. Tijdschr. Geneeskd. 1999; 143: 2375-80

Hamm W, van Os HC. Cetrorelix multidose protocol; results of the largest multinational study with an antagonist in ART. Middle East Fertility Journal, proceedings of the 6th meeting of the middle east fertility society, 1999; 4 suppl 3: 51

Van Os HC. Results of a compassionate use programme with cetrorelix. In: Abstracts of the symposium "Partners in Life", Amsterdam, 6 mei 2000, 11-13

Van Os HC, Jansen CAM. GnRH antagonists for COH of previous inadequate responders as a second line approach in IVF . Hum. Reprod. Suppl. 2000; 15:134

Jansen CAM, Tucker KE, van Os HC, Heydra EY, Dermout S. GnRH antagonists for controlled ovarian hyperstimulation (COH) in uterine surrogacy. Hum.Reprod Suppl, 2000; 15: 133-4

Van Os HC, Lo CR, Rijnders PM, Tucker KE, Jansen CAM.The age related increase in miscarriage rates in IVF/ICSI takes place after the occurrence of foetal heart activity on ultrasound. Human Repr.2002; 17S: 58-9

Van Os HC, Rijnders PM, Jansen CAM. De leeftijdsgerelateerde toename van spontane abortus na IVF/ICSI in relatie tot de aanwezigheid van foetale hartactie bij transvaginale echografie. Tijdschrift voor Fertiliteits Onderzoek 2003; 17: 47

Tucker KE, Jansen- Hulseboom DJM, Rijnders PM, Van Os HC, Jansen CAM. Absence of post-thaw embryo development becomes increasingly more predictive of pregnancy loss with later stage cryopreservation. Human Reproduction 2009 Suppl 24 (Suppl 1) i 37- 38.

Van Os HC, Rijnders PM, Tucker KE, Jansen CAM. The obstetric outcome of singletons after Compulsory Single Embryo Transfer (CSET). Human Reproduction 2009 24 (suppl 1: i 149-150.

Jansen CAM, Van Os HC, Rijnders, PM, Tucker KE . The obstetric outcome of twin pregnancies after Double Embryo Transfer )DET' in patients �deselected� for risk factors associated with premature delivery. Human Reproduction 2009 24 (Suppl1): i 126 .

Jansen CAM, van Os HC, Rijnders PM, Tucker KE. When SET or DET? The obstetric outcome of singleton pregnancies after Compulsory Sinle Embryo Transfer CSET and of twin pregnancies after Double Embryo Transfer (DET) in deselected cases after IVF or ICSI. Abstract book Controversies in Obstetrics and Gynaecology 2009; (in print)

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